Pith Number

pith:J6XMJ3UJ

pith:2012:J6XMJ3UJJCFLQH3A77F2BP7ZFP

not attested not anchored not stored refs pending

A double component in GRB 090618: a proto-black hole and a genuinely long GRB

A. Nandi, A. V. Penacchioni, B. Patricelli, C. L. Bianco, Jorge A. Rueda, L. Caito, L. Izzo, R. Ruffini, S. K. Chakrabarti

arxiv:1202.4374 v1 · 2012-02-20 · 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{J6XMJ3UJJCFLQH3A77F2BP7ZFP}

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	2026-05-18T01:58:23.469942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4faec4ee89488ab81f60ffcba0bff92bdc632d3e1d72c77bdd9e8921264301d1

Aliases

arxiv: 1202.4374 · arxiv_version: 1202.4374v1 · doi: 10.48550/arxiv.1202.4374 · pith_short_12: J6XMJ3UJJCFL · pith_short_16: J6XMJ3UJJCFLQH3A · pith_short_8: J6XMJ3UJ

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/J6XMJ3UJJCFLQH3A77F2BP7ZFP \
  | 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: 4faec4ee89488ab81f60ffcba0bff92bdc632d3e1d72c77bdd9e8921264301d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7334cfaf6c54780be1cf6b61a6c7fd2c6ead2a3d68f12c232e9a94e8f1d525a7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-20T16:46:04Z",
    "title_canon_sha256": "d11d2e2b74c1f46b4e6fff14cdb62c55ee37a522ca76e4ef3f5f1d4eca37fad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4374",
    "kind": "arxiv",
    "version": 1
  }
}