Pith Number

pith:43PF2UGN

pith:1999:43PF2UGNZXEYUW2WLEE3F476IV

not attested not anchored not stored refs pending

Mass Generation for an Ultralight Axion

T. Watari, T. Yanagida, Yasunori Nomura

arxiv:hep-ph/9911324 v1 · 1999-11-12 · 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{43PF2UGNZXEYUW2WLEE3F476IV}

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	2026-07-04T15:52:10.593235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6de5d50cdcdc98a5b565909b2f3fe454c1ed5df3ecadc50451e06660621ab7b

Aliases

arxiv: hep-ph/9911324 · arxiv_version: hep-ph/9911324v1 · doi: 10.48550/arxiv.hep-ph/9911324 · pith_short_12: 43PF2UGNZXEY · pith_short_16: 43PF2UGNZXEYUW2W · pith_short_8: 43PF2UGN

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/43PF2UGNZXEYUW2WLEE3F476IV \
  | 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: e6de5d50cdcdc98a5b565909b2f3fe454c1ed5df3ecadc50451e06660621ab7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f21e74e2c21dbea11ce2f08ba9691785f493106c1ab16b0a1e4b39e644d9c8",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-11-12T05:51:37Z",
    "title_canon_sha256": "159d873edb67dd082eb204af5d78eca537a5b4a85439f10a2bc78e66b8e032da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9911324",
    "kind": "arxiv",
    "version": 1
  }
}