Pith Number

pith:PRIG6EUR

pith:2002:PRIG6EURCTEO4IWA2Q4HAGL6W5

not attested not anchored not stored refs pending

Two Photon Width of eta_c (paper version)

Giulia Pancheri, Nicola Fabiano

arxiv:hep-ph/0204214 v1 · 2002-04-18 · 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{PRIG6EURCTEO4IWA2Q4HAGL6W5}

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	2026-05-18T04:13:25.877074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c506f129114c8ee22c0d43870197eb75585acec14899696718bd1890ccd0422

Aliases

arxiv: hep-ph/0204214 · arxiv_version: hep-ph/0204214v1 · doi: 10.48550/arxiv.hep-ph/0204214 · pith_short_12: PRIG6EURCTEO · pith_short_16: PRIG6EURCTEO4IWA · pith_short_8: PRIG6EUR

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/PRIG6EURCTEO4IWA2Q4HAGL6W5 \
  | 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: 7c506f129114c8ee22c0d43870197eb75585acec14899696718bd1890ccd0422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9010a74d2341ef435a2606b281ed5ef3c8393c516d7ca1b7367e3629e999a39b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-04-18T09:57:18Z",
    "title_canon_sha256": "7aa64b881e1031e358cec69bb73b5b70bf34c5fde0033a3231c432e07ed84842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0204214",
    "kind": "arxiv",
    "version": 1
  }
}