Pith Number

pith:UR4QUP5I

pith:1998:UR4QUP5IQEBFGOB545IOMHXDAX

not attested not anchored not stored refs pending

On the cosmic ray bound for models of extragalactic neutrino production

J.P. Rachen, K. Mannheim, R.J. Protheroe

arxiv:astro-ph/9812398 v3 · 1998-12-21 · 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{UR4QUP5IQEBFGOB545IOMHXDAX}

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	2026-05-18T04:34:17.615747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4790a3fa8810253383de750e61ee305e6dfb1c4f4d0d726ec620039c1a5f4ac

Aliases

arxiv: astro-ph/9812398 · arxiv_version: astro-ph/9812398v3 · doi: 10.48550/arxiv.astro-ph/9812398 · pith_short_12: UR4QUP5IQEBF · pith_short_16: UR4QUP5IQEBFGOB5 · pith_short_8: UR4QUP5I

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/UR4QUP5IQEBFGOB545IOMHXDAX \
  | 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: a4790a3fa8810253383de750e61ee305e6dfb1c4f4d0d726ec620039c1a5f4ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba77136f6ed2141639f99baf9e1205042062c8105bc17049492c370b8490f63",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-21T23:49:01Z",
    "title_canon_sha256": "0b6edea5154ebdb8da54fc5d8dde0fd641371595c6b0e224bd8910714fd6d397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812398",
    "kind": "arxiv",
    "version": 3
  }
}