Pith Number

pith:27K4FSQN

pith:2014:27K4FSQNNRIHLFJWR2OOJCGXXG

not attested not anchored not stored refs pending

A hot cocoon in the ultralong GRB 130925A: hints of a PopIII-like progenitor in a low density wind environment

Bruce Gendre, Eleonora Troja, Fabrizio Fiore, Gabriele Ghisellini, Keith Bannister, Lauren A. Kidd, Luigi Piro, Mark H. Wieringa, Roberto Ricci, Silvia Piranomonte

arxiv:1405.2897 v3 · 2014-05-12 · 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{27K4FSQNNRIHLFJWR2OOJCGXXG}

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	2026-05-18T01:43:14.953693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7d5c2ca0d6c507595368e9ce488d7b9b37b02af43c6d2e39cc4ffba0bffe238

Aliases

arxiv: 1405.2897 · arxiv_version: 1405.2897v3 · doi: 10.48550/arxiv.1405.2897 · pith_short_12: 27K4FSQNNRIH · pith_short_16: 27K4FSQNNRIHLFJW · pith_short_8: 27K4FSQN

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/27K4FSQNNRIHLFJWR2OOJCGXXG \
  | 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: d7d5c2ca0d6c507595368e9ce488d7b9b37b02af43c6d2e39cc4ffba0bffe238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ede043497610ab212bec59e547872f76fb7f89018aea1eab35348a7858d70e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-12T19:59:56Z",
    "title_canon_sha256": "dfc07256d49f441af56941cd8b09a738f8a8b0e59328cdbeea63dfbd0b932a56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2897",
    "kind": "arxiv",
    "version": 3
  }
}