Pith Number

pith:O2SNKK23

pith:2012:O2SNKK2327M7ANYOGMT2JHH3X2

not attested not anchored not stored refs pending

GRBs have preferred jet opening angles and bulk Lorentz factors

(2) INAF - IASF Milano, (3) APC Univ. Paris, (4) Sydney Inst. for Astronomy), A. Melandri (1) ((1) INAF - Brera Obs, D. Burlon (4), G. Ghirlanda (1), G. Ghisellini (1), G. Tagliaferri (1), L. Nava (3), P. D'Avanzo (1), R. Salvaterra (2), S. Campana (1), S. Covino (1)

arxiv:1211.2062 v1 · 2012-11-09 · 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{O2SNKK2327M7ANYOGMT2JHH3X2}

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	2026-05-18T03:41:11.823217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a4d52b5bd7d9f0370e3327a49cfbbeb0139892a08098a6bfde9e500150df0f

Aliases

arxiv: 1211.2062 · arxiv_version: 1211.2062v1 · doi: 10.48550/arxiv.1211.2062 · pith_short_12: O2SNKK2327M7 · pith_short_16: O2SNKK2327M7ANYO · pith_short_8: O2SNKK23

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/O2SNKK2327M7ANYOGMT2JHH3X2 \
  | 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: 76a4d52b5bd7d9f0370e3327a49cfbbeb0139892a08098a6bfde9e500150df0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa7b9b6b483c9a2bd52a184daf0e4a2b2e3b7a75469838481a79358b243ae878",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-09T07:39:41Z",
    "title_canon_sha256": "cff28967ec3b4c65894ee75f85bed3961410ba1f1d7d8ebbae632a14f87fa7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2062",
    "kind": "arxiv",
    "version": 1
  }
}