Pith Number

pith:5GPQSLLE

pith:1999:5GPQSLLELXF2STMNBO57VL3Y2Z

not attested not anchored not stored refs pending

Relic Neutrinos, Z-Bursts, and Cosmic Rays above 10^{20} eV

Thomas J. Weiler

arxiv:hep-ph/9910316 v1 · 1999-10-13 · hep-ph · astro-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{5GPQSLLELXF2STMNBO57VL3Y2Z}

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	2026-07-04T14:31:06.865756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e99f092d645dcba94d8d0bbbfaaf78d64db33518329e180825f386aa94df7fcd

Aliases

arxiv: hep-ph/9910316 · arxiv_version: hep-ph/9910316v1 · doi: 10.48550/arxiv.hep-ph/9910316 · pith_short_12: 5GPQSLLELXF2 · pith_short_16: 5GPQSLLELXF2STMN · pith_short_8: 5GPQSLLE

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/5GPQSLLELXF2STMNBO57VL3Y2Z \
  | 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: e99f092d645dcba94d8d0bbbfaaf78d64db33518329e180825f386aa94df7fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60c38d805217b0aab82ed2fe2496795d2bda6560f3f827bbf5d46aa85af81545",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-10-13T06:08:08Z",
    "title_canon_sha256": "ac939d22d6b999c7d67cc22487a1f2dd68052f770a953c04e72af28e669b2934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9910316",
    "kind": "arxiv",
    "version": 1
  }
}