Pith Number

pith:VVRGCV4K

pith:2002:VVRGCV4K37OKB7ZLXY5TLJHZXM

not attested not anchored not stored refs pending

The Faint Optical Afterglow and Host Galaxy of GRB 020124: Implications for the Nature of Dark Gamma-Ray Bursts

B. P. Schmidt, D. A. Frail, D. Reichart, D. W. Fox, E. Berger, E. Colbert, E. Costa, F. A. Harrison, F. Frontera, G. R. Ricker, J. C. Wheeler, J. Holtzman, J. P. Halpern, J. S. Bloom, K. Hurley, L. Piro, P. A. Price, P. J. McCarthy, R. A. Chevalier, R. A. Kimble, R. Sari, R. Vanderspek, S. A. Yost, S. G. Djorgovski, S. R. Kulkarni, T. J. Galama, T. S. Axelrod

arxiv:astro-ph/0207320 v2 · 2002-07-15 · 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{VVRGCV4K37OKB7ZLXY5TLJHZXM}

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	2026-07-04T17:28:33.524271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad6261578adfdca0ff2bbe3b35a4f9bb124d1825ce5c8f1cf5b7f242b9882cbf

Aliases

arxiv: astro-ph/0207320 · arxiv_version: astro-ph/0207320v2 · doi: 10.48550/arxiv.astro-ph/0207320 · pith_short_12: VVRGCV4K37OK · pith_short_16: VVRGCV4K37OKB7ZL · pith_short_8: VVRGCV4K

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/VVRGCV4K37OKB7ZLXY5TLJHZXM \
  | 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: ad6261578adfdca0ff2bbe3b35a4f9bb124d1825ce5c8f1cf5b7f242b9882cbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1946ea31c96812ba3510a167bb4de02b95ff872851c4a80c2fe348657a86380d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-15T20:41:09Z",
    "title_canon_sha256": "66a0156a4ebafa0707fc4413129e8f3beac58dd6d16604d3443bb8cd0e42f76a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207320",
    "kind": "arxiv",
    "version": 2
  }
}