Pith Number

pith:ZFM5RZBF

pith:1999:ZFM5RZBFZCV47QWJ7CQEEEDVF5

not attested not anchored not stored refs pending

Rare Pionium Decays and Pion Polarizability

H.-W. Hammer, J.N. Ng (TRIUMF)

arxiv:hep-ph/9902284 v2 · 1999-02-09 · hep-ph · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFM5RZBFZCV47QWJ7CQEEEDVF5}

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	2026-05-18T04:17:37.135480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c959d8e425c8abcfc2c9f8a04210752f5768a41d93bd79544b0842d452adc971

Aliases

arxiv: hep-ph/9902284 · arxiv_version: hep-ph/9902284v2 · doi: 10.48550/arxiv.hep-ph/9902284 · pith_short_12: ZFM5RZBFZCV4 · pith_short_16: ZFM5RZBFZCV47QWJ · pith_short_8: ZFM5RZBF

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/ZFM5RZBFZCV47QWJ7CQEEEDVF5 \
  | 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: c959d8e425c8abcfc2c9f8a04210752f5768a41d93bd79544b0842d452adc971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e5190e8a987ef54ffffa3a2876252c964fe8172af3d2c76eb7139dbfc6d848d",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-09T17:58:30Z",
    "title_canon_sha256": "28ea7d4618b8c068614a1dca40a878d21e8dc25985d0cfb02e3250923d1098e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902284",
    "kind": "arxiv",
    "version": 2
  }
}