Pith Number

pith:YEOQXSBR

pith:1993:YEOQXSBRKT5AWIVJFJUKNIZ32B

not attested not anchored not stored refs pending

On the Determination of the Gluon Density of the Proton from Heavy-Flavour Production at HERA

Giovanni Ridolfi, Stefano Frixione Michelangelo L. Mangano Paolo Nason

arxiv:hep-ph/9304289 v1 · 1993-04-22 · 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{YEOQXSBRKT5AWIVJFJUKNIZ32B}

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	2026-05-18T04:37:55.336793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c11d0bc83154fa0b22a92a68a6a33bd043e237a60be367f58651b7892fb2d525

Aliases

arxiv: hep-ph/9304289 · arxiv_version: hep-ph/9304289v1 · doi: 10.48550/arxiv.hep-ph/9304289 · pith_short_12: YEOQXSBRKT5A · pith_short_16: YEOQXSBRKT5AWIVJ · pith_short_8: YEOQXSBR

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/YEOQXSBRKT5AWIVJFJUKNIZ32B \
  | 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: c11d0bc83154fa0b22a92a68a6a33bd043e237a60be367f58651b7892fb2d525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69bd6cf8fbcd129764e32adfe8f37a6deb05bad2a56cbcd3e04f9815d3ca289e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1993-04-22T17:06:03Z",
    "title_canon_sha256": "a141d3440c7846cf0e0a45cd4bf6ef8dce5d843be9a5030b5b0055eb1c467856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9304289",
    "kind": "arxiv",
    "version": 1
  }
}