Pith Number

pith:GNCKHWF5

pith:2008:GNCKHWF5K2IORJRV6FJ6Z6QFOX

not attested not anchored not stored refs pending

A Gamma-Ray Burst/Pulsar for Cosmic-Ray Positrons with a Dark Matter-like Spectrum

Kunihito Ioka (KEK)

arxiv:0812.4851 v4 · 2008-12-30 · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GNCKHWF5K2IORJRV6FJ6Z6QFOX}

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	2026-05-18T02:18:13.973546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3344a3d8bd5690e8a635f153ecfa0575e22056aac96994da1e261c69d2cf7777

Aliases

arxiv: 0812.4851 · arxiv_version: 0812.4851v4 · doi: 10.48550/arxiv.0812.4851 · pith_short_12: GNCKHWF5K2IO · pith_short_16: GNCKHWF5K2IORJRV · pith_short_8: GNCKHWF5

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/GNCKHWF5K2IORJRV6FJ6Z6QFOX \
  | 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: 3344a3d8bd5690e8a635f153ecfa0575e22056aac96994da1e261c69d2cf7777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f02300c6e5c45b9a39c7d66ee1578ed216e06fa919e9035baad122ad4de78fd",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-30T15:50:11Z",
    "title_canon_sha256": "0069ed9797b499df87846cd452629729d02ca56fb8aac3009a6bc7c92a38a89c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4851",
    "kind": "arxiv",
    "version": 4
  }
}