Pith Number

pith:4MOGTC4J

pith:2011:4MOGTC4JKIOUNQGRF54XTM7OHY

not attested not anchored not stored refs pending

An observational imprint of the Collapsar model of long Gamma Ray Bursts

Ehud Nakar, Omer Bromberg, Re'em Sari, Tsvi Piran

arxiv:1111.2990 v1 · 2011-11-13 · 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{4MOGTC4JKIOUNQGRF54XTM7OHY}

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	2026-05-18T01:59:39.706682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e31c698b89521d46c0d12f7979b3ee3e0a43f43878f169bfb9bbf8c9fa2a32d5

Aliases

arxiv: 1111.2990 · arxiv_version: 1111.2990v1 · doi: 10.48550/arxiv.1111.2990 · pith_short_12: 4MOGTC4JKIOU · pith_short_16: 4MOGTC4JKIOUNQGR · pith_short_8: 4MOGTC4J

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/4MOGTC4JKIOUNQGRF54XTM7OHY \
  | 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: e31c698b89521d46c0d12f7979b3ee3e0a43f43878f169bfb9bbf8c9fa2a32d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da510f636502f3995093e1f77b17cd0d34f749088bad865d6fd8346fc48168bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-13T05:50:35Z",
    "title_canon_sha256": "8289a48588d53481e766af04703f2b04f039533a4b9da66090b8016f61daa93f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2990",
    "kind": "arxiv",
    "version": 1
  }
}