Pith Number

pith:FNHMMXWU

pith:2013:FNHMMXWU3Z2ILN4I42AI3DZAL4

not attested not anchored not stored refs pending

Are Ultra-long Gamma-Ray Bursts different?

Bruce Gendre, Giulia Stratta, Michel Boer

arxiv:1310.4944 v3 · 2013-10-18 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNHMMXWU3Z2ILN4I42AI3DZAL4}

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	2026-05-18T02:25:32.814284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b4ec65ed4de7485b788e6808d8f205f1f8f03125aba36f70af284655871ba1f

Aliases

arxiv: 1310.4944 · arxiv_version: 1310.4944v3 · doi: 10.48550/arxiv.1310.4944 · pith_short_12: FNHMMXWU3Z2I · pith_short_16: FNHMMXWU3Z2ILN4I · pith_short_8: FNHMMXWU

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/FNHMMXWU3Z2ILN4I42AI3DZAL4 \
  | 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: 2b4ec65ed4de7485b788e6808d8f205f1f8f03125aba36f70af284655871ba1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce05aa1aa9916de470d3583ac2021a0bf1734ff61500c080a172bc1895685185",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-18T08:24:32Z",
    "title_canon_sha256": "29d17277f28adaa89203461696c9bd96e20078f348371e8a74f494730b031ce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4944",
    "kind": "arxiv",
    "version": 3
  }
}