Pith Number

pith:ECGCGOHT

pith:2005:ECGCGOHTLMCR5MXN5644AVDB57

not attested not anchored not stored refs pending

Cosmology with Gamma Ray Bursts

2), (2) Instituto de Astronomia, (3) JILA, Boulder, C. Firmani (1, D. Lazzati (3), G. Ghirlanda (1), G. Ghisellini (1), Italy, Mexico, U.N.A.M., USA), V. Avila-Reese (2). ((1) Osservatorio Astronomico di Brera

arxiv:astro-ph/0504306 v1 · 2005-04-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECGCGOHTLMCR5MXN5644AVDB57}

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

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	2026-05-18T04:36:30.120116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208c2338f35b051eb2edefb9c05461efd4895317f2d798400d1da01087eb62e7

Aliases

arxiv: astro-ph/0504306 · arxiv_version: astro-ph/0504306v1 · doi: 10.48550/arxiv.astro-ph/0504306 · pith_short_12: ECGCGOHTLMCR · pith_short_16: ECGCGOHTLMCR5MXN · pith_short_8: ECGCGOHT

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/ECGCGOHTLMCR5MXN5644AVDB57 \
  | 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: 208c2338f35b051eb2edefb9c05461efd4895317f2d798400d1da01087eb62e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bfe551962fa1e61cc7bd69074e16706a0ed884aec1bb3ef3765733ba4555ce8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-13T20:02:11Z",
    "title_canon_sha256": "cde71257a8f622c592fee72b8d60d888bae7e10ace53ad77465d5331a7d4c368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504306",
    "kind": "arxiv",
    "version": 1
  }
}