Pith Number

pith:E4D57DHJ

pith:1999:E4D57DHJYKMLESFE7NM3ZN6PEW

not attested not anchored not stored refs pending

Galactic gamma-ray bursters - an alternative source of cosmic rays at all energies

A. Dar, R. Plaga

arxiv:astro-ph/9902138 v2 · 1999-02-09 · 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{E4D57DHJYKMLESFE7NM3ZN6PEW}

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	2026-05-18T04:21:32.410394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2707df8ce9c298b248a4fb59bcb7cf2590c74a7f51b97ebc57af228901aa2e12

Aliases

arxiv: astro-ph/9902138 · arxiv_version: astro-ph/9902138v2 · doi: 10.48550/arxiv.astro-ph/9902138 · pith_short_12: E4D57DHJYKML · pith_short_16: E4D57DHJYKMLESFE · pith_short_8: E4D57DHJ

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/E4D57DHJYKMLESFE7NM3ZN6PEW \
  | 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: 2707df8ce9c298b248a4fb59bcb7cf2590c74a7f51b97ebc57af228901aa2e12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10c457b88000c42711e03161e6f3199195bc92e4201eb15a4e5cfef1270cb494",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-09T13:04:15Z",
    "title_canon_sha256": "5ca533a0e8f705979918d8152937fee611b0955ac42f7aa9658f37866e8d3714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902138",
    "kind": "arxiv",
    "version": 2
  }
}