Pith Number

pith:OS4LIBJX

pith:2007:OS4LIBJXNGUVHLEKJ457HZH4X5

not attested not anchored not stored refs pending

The Charm Parton Content of the Nucleon

H.L. Lai, J. Pumplin, W.K. Tung

arxiv:hep-ph/0701220 v1 · 2007-01-25 · 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{OS4LIBJXNGUVHLEKJ457HZH4X5}

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	2026-07-04T15:16:39.671540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74b8b4053769a953ac8a4f3bf3e4fcbf5f272b33de0f74486f8876d136a2c426

Aliases

arxiv: hep-ph/0701220 · arxiv_version: hep-ph/0701220v1 · doi: 10.48550/arxiv.hep-ph/0701220 · pith_short_12: OS4LIBJXNGUV · pith_short_16: OS4LIBJXNGUVHLEK · pith_short_8: OS4LIBJX

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/OS4LIBJXNGUVHLEKJ457HZH4X5 \
  | 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: 74b8b4053769a953ac8a4f3bf3e4fcbf5f272b33de0f74486f8876d136a2c426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8941c05249fde1849a18f95775e1ff057810d816067d3229f15f826be2f213bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-01-25T19:11:49Z",
    "title_canon_sha256": "337b4777c59bda99aa8e47ad18dffb4ce08aa1f46631c561e1d418bfb30a764c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0701220",
    "kind": "arxiv",
    "version": 1
  }
}