Pith Number

pith:QFPHSY5M

pith:2025:QFPHSY5MBGHXHE33RLW4RFVCU3

not attested not anchored not stored refs pending

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

Bryce T. Bolin, Carey M. Lisse, Carl Ingebretsen, Christoffer Fremling, Gracyn Jewett, Ian Wong, Matthew Belyakov, Matthew J. Graham, M. Ryleigh Davis, Mukremin Kilic

arxiv:2507.11720 v1 · 2025-07-15 · astro-ph.EP · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFPHSY5MBGHXHE33RLW4RFVCU3}

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

1 paper in Pith

Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope

Receipt and verification

First computed	2026-07-05T11:37:49.247410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815e7963ac098f73937b8aedc896a2a6edcf586a0bf3e2b4c25cc87655c78ed2

Aliases

arxiv: 2507.11720 · arxiv_version: 2507.11720v1 · doi: 10.48550/arxiv.2507.11720 · pith_short_12: QFPHSY5MBGHX · pith_short_16: QFPHSY5MBGHXHE33 · pith_short_8: QFPHSY5M

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/QFPHSY5MBGHXHE33RLW4RFVCU3 \
  | 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: 815e7963ac098f73937b8aedc896a2a6edcf586a0bf3e2b4c25cc87655c78ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2161f04d2bf7812e3f2aa90677520daa3b23feee1a1815ba697c75e101f9b2e6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-15T20:43:46Z",
    "title_canon_sha256": "aee29cd339fed30f35618969e10a588bcbecbb5cee209c9857525a231fb78c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11720",
    "kind": "arxiv",
    "version": 1
  }
}