Pith Number

pith:4WQDF7A2

pith:2008:4WQDF7A27VBJBTQCVNW6N3RBPC

not attested not anchored not stored refs pending

Dynamical parton distribution functions

Cristian Pisano

arxiv:0812.3250 v1 · 2008-12-17 · 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{4WQDF7A27VBJBTQCVNW6N3RBPC}

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	2026-05-18T02:15:04.579750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a032fc1afd4290ce02ab6de6ee2178a256e53abeaf6c8ba8e056f5bd0edb93

Aliases

arxiv: 0812.3250 · arxiv_version: 0812.3250v1 · doi: 10.48550/arxiv.0812.3250 · pith_short_12: 4WQDF7A27VBJ · pith_short_16: 4WQDF7A27VBJBTQC · pith_short_8: 4WQDF7A2

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/4WQDF7A27VBJBTQCVNW6N3RBPC \
  | 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: e5a032fc1afd4290ce02ab6de6ee2178a256e53abeaf6c8ba8e056f5bd0edb93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5cd3cdb59813372ae55243cbd683bfd06e71097a7b4e9caa0a3977de8e17598",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-12-17T11:03:57Z",
    "title_canon_sha256": "c04565d4b96659cdb71ef003db21a2f0146870744d1f62da4ba51a6724d4282f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3250",
    "kind": "arxiv",
    "version": 1
  }
}