Pith Number

pith:NBN4A5MR

pith:2025:NBN4A5MRX7A2B2GZVRM6LJCMOV

not attested not anchored not stored refs pending

University of Hawaii 88-inch Telescope Observations of the Interstellar Comet 3I/ATLAS: Spectrophotometric Blue-Sensitive Spectral Time Series Spanning Two Months from Discovery

A. M. Hoffman, A. Syncatto, B. J. Shappee, B. Yang, C. Ashall, C. Pfeffer, C. R. Angus, D. D. Desai, D. Kuesters, D. O. Jones, G. Aldering, G. S. H. Paek, J. J. Wray, J. Kiyokawa, J. Shi, J. T. Hinkle, K. Auchettl, K. Hart, K. J. Meech, K. Medler, M. A. Tucker, M. Dixon, M. E. Huber, S. Romagnoli, W. B. Hoogendam

arxiv:2512.09020 v2 · 2025-12-09 · astro-ph.EP · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBN4A5MRX7A2B2GZVRM6LJCMOV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

4 papers in Pith

Near-perihelion activity and composition of 3I/ATLAS from JUICE/MAJIS observations

Assessment of the Mass Loss and Radius Change of 3I/ATLAS Based on Observed Production Rates

Post-perihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy

SCAT Data Release 1: 1810 optical spectra of 1330 transients

Receipt and verification

First computed	2026-07-15T00:21:15.488578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

685bc07591bfc1a0e8d9ac59e5a44c756202ff13ae55dd88088bd774d078e5ca

Aliases

arxiv: 2512.09020 · arxiv_version: 2512.09020v2 · doi: 10.48550/arxiv.2512.09020 · pith_short_12: NBN4A5MRX7A2 · pith_short_16: NBN4A5MRX7A2B2GZ · pith_short_8: NBN4A5MR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NBN4A5MRX7A2B2GZVRM6LJCMOV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 685bc07591bfc1a0e8d9ac59e5a44c756202ff13ae55dd88088bd774d078e5ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cecc48894783c9012880ae975e94c0f9d325ac6412940c0868df67b4382d847b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-12-09T19:00:00Z",
    "title_canon_sha256": "373ec31b3b388109e55fa06295efc28d6ab68ab8e0b91266c6713b4bedd10aee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.09020",
    "kind": "arxiv",
    "version": 2
  }
}