Pith Number

pith:EKFHRKDF

pith:2003:EKFHRKDFUVMBH4CV72VUFFQTMM

not attested not anchored not stored refs pending

The Radionactive Universe

Edward W. Kolb, Geraldine Servant, Tim M. P. Tait

arxiv:hep-ph/0306159 v3 · 2003-06-17 · 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{EKFHRKDFUVMBH4CV72VUFFQTMM}

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	2026-05-18T02:36:30.713784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228a78a865a55813f055feab429613632e48111c4031486caa41218088735c94

Aliases

arxiv: hep-ph/0306159 · arxiv_version: hep-ph/0306159v3 · doi: 10.48550/arxiv.hep-ph/0306159 · pith_short_12: EKFHRKDFUVMB · pith_short_16: EKFHRKDFUVMBH4CV · pith_short_8: EKFHRKDF

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/EKFHRKDFUVMBH4CV72VUFFQTMM \
  | 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: 228a78a865a55813f055feab429613632e48111c4031486caa41218088735c94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f19145be2ff0a0ac793f514ca87964459c08bdb0cd765c3c3ff02b567b5b447",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2003-06-17T20:13:52Z",
    "title_canon_sha256": "feb5e28d8034395dc07d7a24a7b3a1c900a7b106aedef7edfaab67d53db94da1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0306159",
    "kind": "arxiv",
    "version": 3
  }
}