Pith Number

pith:NORYVSFZ

pith:2002:NORYVSFZ3ZACOY7SHNCSNZYKBI

not attested not anchored not stored refs pending

The unusual optical afterglow of the gamma-ray burst GRB 021004: Color changes and short-time-scale variability

A. R. Walker, B. Mochejska, D. Bersier, D. Steeghs, H. Calitz, J. Quinn, J. Winn, K. Z. Stanek, M. J. Holman, P. Meintjes, P. M. Garnavich, S. Jha, T. Grav, T. Matheson

arxiv:astro-ph/0211130 v1 · 2002-11-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NORYVSFZ3ZACOY7SHNCSNZYKBI}

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.

Receipt and verification

First computed	2026-07-04T16:31:06.499931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ba38ac8b9de402763f23b4526e70a0a090c022ef7bd82329365382dbf412900

Aliases

arxiv: astro-ph/0211130 · arxiv_version: astro-ph/0211130v1 · doi: 10.48550/arxiv.astro-ph/0211130 · pith_short_12: NORYVSFZ3ZAC · pith_short_16: NORYVSFZ3ZACOY7S · pith_short_8: NORYVSFZ

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/NORYVSFZ3ZACOY7SHNCSNZYKBI \
  | 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: 6ba38ac8b9de402763f23b4526e70a0a090c022ef7bd82329365382dbf412900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab253c24bb2f5be4804d309d5e579fa02e905bb4663e0340d51a35083daa995",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-07T20:01:15Z",
    "title_canon_sha256": "1bbd8eeef2caa15c3d16fb44e6c2435164fcf3542dc9aa2a217ec039e9e2ad9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211130",
    "kind": "arxiv",
    "version": 1
  }
}