Pith Number

pith:GX7JNWEF

pith:1998:GX7JNWEF23KOYUY2PNXU25Z2P7

not attested not anchored not stored refs pending

Complete next-to-leading order perturbative QCD prediction for the pion electromagnetic form factor

B. Melic, B. Nizic, K. Passek

arxiv:hep-ph/9802204 v2 · 1998-01-31 · 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{GX7JNWEF23KOYUY2PNXU25Z2P7}

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	2026-07-04T15:48:25.934564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35fe96d885d6d4ec531a7b6f4d773a7fdbb1a6128f419fa0691a3b8779dcdca8

Aliases

arxiv: hep-ph/9802204 · arxiv_version: hep-ph/9802204v2 · doi: 10.48550/arxiv.hep-ph/9802204 · pith_short_12: GX7JNWEF23KO · pith_short_16: GX7JNWEF23KOYUY2 · pith_short_8: GX7JNWEF

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/GX7JNWEF23KOYUY2PNXU25Z2P7 \
  | 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: 35fe96d885d6d4ec531a7b6f4d773a7fdbb1a6128f419fa0691a3b8779dcdca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c63512c6e1d668892c8989eb8ef9e070abfa7d3d96054f90bbffd347f2c7c3ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-01-31T19:49:47Z",
    "title_canon_sha256": "0d27949a5baed2b5dbec4726ec5f53377a15ab99e086e1da76dde10227f3e1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9802204",
    "kind": "arxiv",
    "version": 2
  }
}