Pith Number

pith:UPGYYSYX

pith:2004:UPGYYSYXSTUMRQKCJYCEUTHD54

not attested not anchored not stored refs pending

Anomalous decay of pion and eta at finite temperature

M. C. Ruivo, Pedro Costa, Yu. L. Kalinovsky

arxiv:hep-ph/0403263 v2 · 2004-03-25 · 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{UPGYYSYXSTUMRQKCJYCEUTHD54}

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	2026-07-04T14:28:59.689630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3cd8c4b1794e8c8c1424e044a4ce3ef28cf673533fcef9de8a3442bc3eacc7b

Aliases

arxiv: hep-ph/0403263 · arxiv_version: hep-ph/0403263v2 · doi: 10.48550/arxiv.hep-ph/0403263 · pith_short_12: UPGYYSYXSTUM · pith_short_16: UPGYYSYXSTUMRQKC · pith_short_8: UPGYYSYX

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/UPGYYSYXSTUMRQKCJYCEUTHD54 \
  | 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: a3cd8c4b1794e8c8c1424e044a4ce3ef28cf673533fcef9de8a3442bc3eacc7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d42c2bd80f230f4de8c394671c0ea7f42abad5fa28465fd6acca7e32e126eba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2004-03-25T15:17:21Z",
    "title_canon_sha256": "b88f55999b09d2c7e372bba646f5e1dc89174bfa0c363217fac3a9d38c5d46aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0403263",
    "kind": "arxiv",
    "version": 2
  }
}