Pith Number

pith:YKCFTJYK

pith:2001:YKCFTJYKYY4RDDC67BIFTENUPR

not attested not anchored not stored refs pending

Gamma-Ray Bursts as a Probe of Cosmology

(2) Caltech), Daniel E. Reichart (2) ((1) Chicago, Donald Q. Lamb (1)

arxiv:astro-ph/0109037 v1 · 2001-09-03 · 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{YKCFTJYKYY4RDDC67BIFTENUPR}

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	2026-05-18T01:40:44.185011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c28459a70ac639118c5ef8505991b47c454559536e52344b749e8cf380e232b3

Aliases

arxiv: astro-ph/0109037 · arxiv_version: astro-ph/0109037v1 · doi: 10.48550/arxiv.astro-ph/0109037 · pith_short_12: YKCFTJYKYY4R · pith_short_16: YKCFTJYKYY4RDDC6 · pith_short_8: YKCFTJYK

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/YKCFTJYKYY4RDDC67BIFTENUPR \
  | 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: c28459a70ac639118c5ef8505991b47c454559536e52344b749e8cf380e232b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b19917d0b883d892ffc6d8d0e7690b5d083ac9d2a06029cebfa0eeee9c20c7a1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-03T20:03:30Z",
    "title_canon_sha256": "e1e64c1a3e1645d8e0bf25848a68b360518f76500bc15f7980274efd56f2086b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109037",
    "kind": "arxiv",
    "version": 1
  }
}