Pith Number

pith:FR2JPXHL

pith:2013:FR2JPXHLYFQJKSSSYM2LCCEB7V

not attested not anchored not stored refs pending

Evidence that Gamma-ray Burst 130702A Exploded in a Dwarf Satellite of a Massive Galaxy

Alexei V. Filippenko, Kelsey I. Clubb (UC Berkeley), Ori D. Fox, Patrick L. Kelly, Weikang Zheng

arxiv:1307.5103 v2 · 2013-07-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FR2JPXHLYFQJKSSSYM2LCCEB7V}

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	2026-05-18T01:48:42.702857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7497dcebc160954a52c334b10881fd789e8ed5b9fa9f58d07f4fed35e4cd49

Aliases

arxiv: 1307.5103 · arxiv_version: 1307.5103v2 · doi: 10.48550/arxiv.1307.5103 · pith_short_12: FR2JPXHLYFQJ · pith_short_16: FR2JPXHLYFQJKSSS · pith_short_8: FR2JPXHL

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/FR2JPXHLYFQJKSSSYM2LCCEB7V \
  | 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: 2c7497dcebc160954a52c334b10881fd789e8ed5b9fa9f58d07f4fed35e4cd49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "543091e49e32e6737242a93b0dbf06dc1934ecf11b651dc00286dd7d56e6e2d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-19T00:17:49Z",
    "title_canon_sha256": "d342109173229b2c3cabd82a791314297bdd766222774e07ffaa9afa1ef5d894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5103",
    "kind": "arxiv",
    "version": 2
  }
}