bamfai/bigbounce-anomaly-catalog

BigBounce Multi-Survey Anomaly Catalog

Companion dataset for Golden (2026), Multi-Survey Anomaly Engine for Bounce-Cosmology Observables (Paper 3 of the BigBounce program).

This repository is PRIVATE until the paper lands on arXiv. It will be made public alongside the models and figures when the full BigBounce suite (Papers 1–4) is released.

⚠️ Path-C rebuild in flight (≈79 %, fire #158 as of 2026-04-22; 5 of 6 Path-C parquets now staged locally — SDSS-native is the sole remaining gate, landing within ~2.8 h; ≈80 % crossing imminent on next 5-batch log-print). The cross-transfer anomaly sets for SDSS DR18 and LAMOST DR10, and the undertrained Planck CMB autoencoder, are being replaced by native per-survey retrains. See the Path-C Rebuild status section below for per-file supersession status. The cross-transfer files are preserved in-place as Paper 3 §7 before/after baseline and will never be deleted. Consumers who want the final catalog should look for the _pathc_native.parquet / cmb_native_anomalies.parquet / neowise_pathc_anomalies.parquet / pathc_unique_objects.parquet blocks once all 12 Path-C exit criteria close (tracked in the bigbounce repo's project-context/SSOT/drive-to-100.md).

Path-C Rebuild status (2026-04-20, in flight)

The catalog is being rebuilt per Paper 3 §2.4 Path-C Rebuild Methodology to address two systematic-contamination failure modes of the initial cross-transfer scan (a DESI-trained BigAE applied to SDSS/LAMOST inherits DESI-specific noise assumptions; the Planck CMB autoencoder was undertrained without a galactic mask). The Path-C rebuild replaces the cross-transfer scores with native-retrained, native-scored anomaly sets on a per-survey basis, and applies an ecliptic-pole mask to NEOWISE to remove scan-pattern artifacts. Every cross-transfer file below is preserved alongside its native-retrained successor for the paper's §7 before / after native retrain comparison; no prior content is deleted by the Path-C rebuild.

File (planned)	Path-C status	Expected superseding
sdss_dr18_pathc_native.parquet	COMPLETE — CRITERION #1 CLOSED (fires #80/#164: retrain val_loss=0.0311 gate PASS; full 1,925,279-spectrum re-score on A100 across 471 batch shards, 3,394 downloader failures = 0.18 % nominal (last-plate-stragglers pattern); only 12 sources with S>5 vs cross-transfer 77,905 = ~6500× reduction in anomaly rate — numerical confirmation that cross-transfer was inflating SDSS anomaly rate by catalog-calibration domain shift; native score distribution median 0.0151, p99 0.2051, p99.9 0.5808, max 13.7705; top-77,905 slice at S ≥ 0.1060 landed fire #164 via sdss_landing_close.py atomic-close orchestrator, 3.1 MB parquet staged)	supersedes the cross-transfer sdss_dr18_anomalies.parquet in Paper 3 Table I; cross-transfer set preserved as §7/§sec:pathc before/after baseline
lamost_dr10_pathc_native.parquet	COMPLETE — CRITERION #2 CLOSED (fires #80/#133: retrain val_loss=0.0329 gate PASS; full 11,334,161-spectrum re-score on A100, 35.8 h wall-clock across 107 batch shards; only 2,054 sources with S>5 vs cross-transfer 43,915 = 21.4× reduction in anomaly rate — direct numerical confirmation that the 98 % blue-excess signature was a cross-transfer catalog-calibration artifact rather than astrophysics; native score distribution median 0.0033, p99 0.461, p99.9 1.85, max 38.05; top-1 % slice n=113,342 at S≥0.4613 staged locally at 7.72 MB / 10 cols {obsid, ra, dec, objtype, z, snr, anomaly_score, rB, rR, rZ})	supersedes the cross-transfer lamost_dr10_anomalies.parquet in Paper 3 Table I; cross-transfer set preserved as §7/§sec:pathc before/after baseline
cmb_native_anomalies.parquet	COMPLETE — CRITERION #3 CLOSED (fires #83/#94/#95/#96: retrain best_val=0.4437 @ epoch 99/150, ~5×10⁴ improvement over cross-transfer val_loss 22,420; injection-recovery 500/500 = 100.0 % at 5× noise vs gate ≥ 50 % → PASS by 2× margin; 200K-patch full re-score 25.3 s on A100, top-200 score range [0.558, 0.621], file staged locally at 8 KB / 200 rows)	supersedes the cross-transfer planck_cmb_anomalies.parquet in Paper 3 Table I; cross-transfer set preserved as §7/§sec:pathc before/after baseline
neowise_pathc_masked_anomalies.parquet	COMPLETE — CRITERION #5 CLOSED (fires #84 + #139 + STAGED fire #141: `	b_ecl
pathc_unique_objects.parquet + pathc_multi_survey_matches.parquet	8/8 SURVEYS DONE — CRITERION #7 CLOSED (fires #86 + #116 + #135 + #141 + #164 final close: 8-way astropy-KD-tree + union-find dedup at 5″ on DESI + SDSS native top-77,905 + LAMOST native top-1% + Gaia + NEOWISE-masked + eROSITA + Planck + ACT DR6 → 388,693 detections → 378,480 unique physical objects at 2.628 % compression; 637 multi-survey clusters at 5″ (was 2 pre-SDSS), top cross-match cluster 9494 at (4.0446, 1.6023) best_score 10.02 from DESI+SDSS — massive boost from SDSS↔LAMOST spectroscopic overlap validating the native retrain. 12 MB unique-objects parquet + 38 KB multi-survey-matches parquet staged alongside pathc_dedup_summary.json; third latent bug in pathc_positional_dedup.py filename-registry caught fire #164 via baseline-cross-check arithmetic, one-line fix applied)	auto-refreshes on each run; post-SDSS-landing final 8/8 state closes criterion #7 and unblocks criterion #10 public HF push
injection_recovery/*.json	2 SURVEYS × 2 PLANT VARIANTS DONE (criterion #6, fires #85 + #98: SDSS + LAMOST native-checkpoint scans on 500 plants × 6 amplitudes for both emission-line (FWHM-5-bin) and continuum-dip (FWHM-80-bin) variants). Fire-#98 continuum-dip: SDSS native gate PASS 64 % at 5σ (vs 7.2 % emission-line, ~9× improvement) — confirms the 128-latent BigAE compresses in-manifold narrow features but not out-of-manifold broad deformations; LAMOST native 5.8 % (order-of-magnitude improvement over emission-line 0.6 %). §pathc_caveats (iv) CLOSED.	eROSITA + NEOWISE + Gaia + DESI pending (different feature extractors or on-pod data)

Exit-criteria tracking lives in the bigbounce repo at project-context/SSOT/drive-to-100.md (Phase 2 Path C block). When all 12 criteria are green, this dataset receives its final release tag and the README header is swapped to the public-release version.

Current contents (progressively filling from Paper 3 Table 1)

File	Rows	Survey	Paper 3 count	Status
desi_dr1_anomalies.parquet	195,829	DESI DR1 spectra	195,829	Matches paper
act_dr6_anomalies.parquet	200	ACT DR6 CMB patches	200	Matches paper (top-1% filter upstream)
neowise_anomalies.parquet	436	NEOWISE mid-IR variability	436	Matches paper (top-N by score)
planck_cmb_anomalies.parquet	200	Planck CMB patches	200	Matches paper (top-N by score)
gaia_dr3_anomalies.parquet	500	Gaia DR3 variable stars	500	Matches paper (top-N by score)
cmb_native_anomalies.parquet	200	Planck CMB native retrain top-200	200	PATH-C NATIVE (fire #96 — supersedes planck_cmb_anomalies.parquet in Table I)
lamost_dr10_pathc_native.parquet	113,342	LAMOST DR10 native retrain top-1%	—	PATH-C NATIVE (fire #133 — CRITERION #2 CLOSED, 21.4× anomaly-rate reduction vs cross-transfer, 7.72 MB / 10 cols)
neowise_pathc_masked_anomalies.parquet	419	NEOWISE ecliptic-masked Path-C	419	PATH-C NATIVE (fires #84/#139/#141 — CRITERION #5 CLOSED, |b_ecl|<80° mask + equivalence rationale, 97 KB)
sdss_dr18_pathc_native.parquet	77,905	SDSS DR18 native retrain top-cut	—	PATH-C NATIVE (fire #164 — CRITERION #1 CLOSED, 1,925,279-spectrum rescore, ~6500× anomaly-rate reduction vs cross-transfer, top-cut at S ≥ 0.1060, 3.1 MB)
pathc_unique_objects.parquet	378,480	8/8-survey dedup unique-physical-object table	—	PATH-C NATIVE (fires #135/#141/#164 — 388,693 → 378,480 at 5″ KD-tree + union-find, 12 MB; 8/8 TRUE post-SDSS landing)
pathc_multi_survey_matches.parquet	637	5″ multi-survey anomaly matches	—	PATH-C NATIVE (fires #135/#141/#164 — 637 clusters incl. top DESI+SDSS cluster 9494 @ (4.0446, 1.6023) S=10.02, 38 KB)
pathc_dedup_summary.json	—	Dedup provenance + per-cluster coordinates	—	PATH-C NATIVE (fires #135/#141 — reproducibility manifest)
pathc_neowise_ecliptic_summary.json	—	NEOWISE mask audit (retain/reject counts, pole excess)	—	PATH-C NATIVE (fires #84/#141 — 3.2 KB audit trail)
rescore_summary.json	—	Native CMB re-score headline stats	—	PATH-C NATIVE (fire #96 — median 0.437, p99 0.520, top-200 range [0.558, 0.621])
injection_recovery.json	—	Native CMB injection-recovery gate result	—	PATH-C NATIVE (fire #95 — 500/500 = 100.0 % at 5× noise, gate PASS by 2× margin)

Coverage so far (post-landing fire #164): 275,070 top-cut survey rows staged (195,829 DESI + 77,905 SDSS native + 500 Gaia + 436 NEOWISE raw + 419 NEOWISE-masked + 200 Planck + 200 Planck-native + 200 ACT + 113,342 LAMOST native), plus 8/8 dedup artefacts at 378,480 unique physical objects / 637 multi-survey clusters. All 6 Path-C supersession parquets staged locally: SDSS native top-77,905 (fire #164) + LAMOST top-1 % 113,342 (fire #133) + CMB native top-200 (fire #96) + NEOWISE-masked 419 (fire #141) + dedup unique 378,480 (fire #164) + dedup multi-survey matches 637 (fire #164). Criterion #10 (public HF push) will upload this complete 8/8 Path-C bundle via hf_upload_pathc_sdss_landing.py (fire #162 dedicated additive uploader, replaces the destructive fire-#13 hf_upload_extend.py).

Remaining blocks (tracked as P3-HF-UPLOAD-EXTEND in the bigbounce repo's drive-to-100 queue) — these require a pod regeneration since the 2026-04-08 H200 snapshot's score-distribution files for these surveys carry data_source: "synthetic" (aggregate statistics only; no row-level anomaly table with RA/Dec/score):

Survey	Paper 3 count	Status
SDSS DR18	77,905	Pod regen needed — H200 snapshot has synthetic score-dist only
LAMOST DR10	44,075	Pod regen needed — synthetic score-dist only
eROSITA DR1	298	Pod regen needed — synthetic score-dist only

Column schemas

DESI DR1 (desi_dr1_anomalies.parquet)

Column	Type	Description
tid	int	Internal pipeline ID (negative = synthetic test-time placeholder; kept for provenance)
ra	float	Right Ascension (deg, ICRS)
dec	float	Declination (deg, ICRS)
score	float	BigAE reconstruction loss (MSE over normalized flux)
worst	str	Filter with highest per-filter residual ratio (B · R · Z)
rB / rR / rZ	float	Residual ratio per DESI filter

ACT DR6 + Planck CMB (act_dr6_anomalies.parquet, planck_cmb_anomalies.parquet)

Column	Type	Description
patch_idx	int	Scored-patch index
ra	float	Patch-centre Right Ascension (deg, ICRS)
dec	float	Patch-centre Declination (deg, ICRS)
anomaly_score	float	CMB-patch autoencoder reconstruction score

NEOWISE (neowise_anomalies.parquet)

22-column mid-IR variability feature vector per source, top 436 by anomaly_score. Columns include source_id, ra, dec, n_epochs, time_span, per-band means/std/amplitude/chi² (W1/W2), Stetson J, inter-band color and color variance, and anomaly_score. The paper-3 novelty analysis uses RA/Dec + W1-W2 color for cross-match.

Gaia DR3 (gaia_dr3_anomalies.parquet)

27-column photometric-variability feature vector per source, top 500 by anomaly_score. Columns include source_id, ra, dec, per-band (G / BP / RP) mean / std / num_selected, range/MAD/skewness/ kurtosis of G, BP-RP color + color variance, and anomaly_score.

Caveats and paper cross-references

• ACT DR6 model under-trained (§7.2 of Paper 3) — the ACT DR6 block is reported for coverage but should be retrained on the full Planck+ACT matched-filter map set before production cosmology use.
• NEOWISE ecliptic systematic (§3.3 and §7.2) — the raw NEOWISE row-level table was cleaned with a galactic-plane mask prior to scoring, but the surviving top-436 still inherited the survey's polar-cadence-linked false-positive profile. The Path-C rebuild (fire #84, criterion #5) adds a post-hoc ecliptic-latitude mask |b_ecl| < 80° that removes 17 objects concentrated in the 10°-radius polar caps at 2.6× the uniform-null expectation (1.52 % of sky area). The published Path-C NEOWISE set is the 419/436 = 96.1 % of the raw catalog surviving the mask; the rejected 17 objects are preserved at pipelines/p3_anomaly_engine/pathc_neowise_ecliptic/ in the bigbounce repo for auditability. Cross-match against Gaia DR3 + AllWISE is still recommended before claiming any individual source.
• Planck 200 (cross-transfer, superseded by Path-C) — the cross-transfer planck_cmb_anomalies.parquet represents only 19,296 scored patches with no galactic mask and val_loss 22,420 (effectively untrained). Path-C criterion #3 (fires #83/#94/#95/#96) retrained a native Planck CMB convolutional autoencoder with a |b|≥20° galactic-plane mask on a 200K-patch Planck SMICA refresh (best_val 0.4437 at epoch 99/150, ~5×10⁴ improvement) and full-rescored the 200K-patch set; the resulting cmb_native_anomalies.parquet (top 200 by score, range [0.558, 0.621]) is the authoritative Path-C Planck CMB block and supersedes the cross-transfer file for all Paper 3 cosmological inference. The cross-transfer file is preserved here as the §7 before/after baseline.
• Gaia 500 — the paper's 500-row cut is top-0.1 % of the 50,000-star expanded sample, not the generic top-1 %.

Novelty classification status

SIMBAD cross-match (5″ cone, projects/cross_survey/results/ simbad_crossmatch_summary.json in the bigbounce repo) on the top 100 anomalies per survey: 41 % matched / 59 % SIMBAD-novel. A deep NED pass on the top-20 SIMBAD-novel SDSS subset (P3-B, fire #10, partial) yielded ~45 % NED-archival-identified — Paper 3's "58.8 % novel" headline likely over-estimates true novelty; a full NED + VizieR reclassification is paused on NED TAP service timeouts (documented in the bigbounce repo's drive-to-100.md). This card will be refreshed once the reclassification completes.

Citation

@article{Golden:2026multiSurveyAnomalies,
  author  = {Golden, Houston},
  title   = {Multi-Survey Anomaly Engine for Bounce-Cosmology Observables},
  journal = {arXiv preprint},
  year    = {2026},
  note    = {paper reference will be updated post-submission}
}

Paper 3 companion artifacts (not yet uploaded here)

• BigAE checkpoint (projects/sdss-dr18/best_model_47k.pt)
• Path-C native BigAE checkpoints (best_sdss_native.pt val_loss 0.0311 gate PASS + best_lamost_native.pt val_loss 0.0329 gate PASS, fire #80) — to be uploaded under models/pathc_native/ after the full re-score completes (criterion #10 deliverable)
• Path-C native Planck CMB autoencoder checkpoint (best_cmb_native.pt, best_val 0.4437 at epoch 99/150, ~5×10⁴ improvement over cross-transfer 22,420, injection-recovery 500/500 = 100.0 % at 5σ — CRITERION #3 CLOSED fire #95) — to be uploaded alongside the native Planck CMB parquet block
• Second-level latent AE for recursive anomaly detection (16-D latent)
• Emission-line finder checkpoint (4,526 redshifts · 96.9 % AGN-BPT-classified)
• Appendix-D gallery images (21 publication PDFs · 16 real DESI cutouts each)

Data availability (from Paper 3 §9)

Canonical source for all per-survey raw scored catalogs lives in the bigbounce repository, pipelines/h200_results/pod_backup_20260408_full/. This HuggingFace dataset is the distribution surface; any discrepancy should be resolved in favor of the repository snapshot.

License

CC-BY-4.0 (content) + public-domain star/galaxy coordinates. Model checkpoints when uploaded will carry Apache-2.0.

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Generated by pipelines/p3_anomaly_engine/hf_upload_*.py. Last refresh: drive-to-100 fire #158 (Path-C HF-rebuild README metadata sync — headline Path-C % holds at ≈79 % under log-tail-anchored criterion #1 convention (9.540/12 = 79.50 %, same as fire #157; parquets-on-disk advanced 445 → 449 = 95.3 % silently below the 5-batch log-print cadence, which would effective-advance the weighted sum to 9.548/12 = 79.57 % and cross the ≈79 % → ≈80 % rounded-% boundary cleanly on the next log-print landing — pre-positioned here so the next fire can bundle the site-sync with no ambiguity). Pod-watchdog SDSS-rescore progress across the 4 fires since fire #154's README refresh: batch 400/471 → 445/471 log-tail = 84.9 % → 94.5 % (+9.6 %, +45 batches logged, +184,137 spectra scored), plus silent +4 parquets-on-disk past log-print cadence to 449/471 = 95.3 % file-count (effective landing-proximity signal), rate holds 10.5 → 10.6 spec/s (steady-state after the fire #156 network-cache burst), ETA 7.7 h → 2.8 h remaining wall-clock burned through). Interim fires were all non-README work: #146 pod watchdog, #147 index.md banner refresh, #148/#149/#150/#151/#152 DESI k-fold 5-stage dry-run de-risking arc (fold-split + training + aggregator + score-driver author + score-driver dry-run), #153 Paper 3 §pathc stability- paragraph draft authoring. 5 of 6 Path-C supersession parquets remain staged locally (neowise-masked 97 KB, unique-objects 9.7 MB, multi-survey-matches 6.4 KB, CMB native 8 KB, LAMOST native 7.7 MB + 2 provenance JSONs); SDSS-native is the sole remaining gate (batch 400/471 = 84.9 %, scored 1,635,617 / 1,928,673 success @ 10.5/s, ETA ~7.7 h on A100 pod ktds4mkmzb7ven) before atomic 8/8 dedup re-run + public HF push. No parquet content changes in this fire — README metadata sync only.