Pith Number

pith:462EWMJM

pith:2002:462EWMJMMUMX5MWDEAZD62EVMG

not attested not anchored not stored refs pending

The Expected Redshift Distribution of Gamma-Ray Bursts

Abraham Loeb, Volker Bromm

arxiv:astro-ph/0201400 v2 · 2002-01-24 · 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{462EWMJMMUMX5MWDEAZD62EVMG}

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	2026-05-18T04:17:53.888937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7b44b312c65197eb2c320323f68956192e05c46b6119e3c1d97be135b4bbb7f

Aliases

arxiv: astro-ph/0201400 · arxiv_version: astro-ph/0201400v2 · doi: 10.48550/arxiv.astro-ph/0201400 · pith_short_12: 462EWMJMMUMX · pith_short_16: 462EWMJMMUMX5MWD · pith_short_8: 462EWMJM

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/462EWMJMMUMX5MWDEAZD62EVMG \
  | 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: e7b44b312c65197eb2c320323f68956192e05c46b6119e3c1d97be135b4bbb7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7dbb9211025cd4e61cdc91aece6340ea92623a8b1a8841c9a00e83d9973ae48",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-24T06:25:52Z",
    "title_canon_sha256": "51802dfa746b8d4d245b261890b2b16871cb547fceb454dd58da6d0964bbbf7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201400",
    "kind": "arxiv",
    "version": 2
  }
}