Pith Number

pith:L6BQDU4R

pith:2018:L6BQDU4RLZHPKAHSN43P5VFOJY

not attested not anchored not stored refs pending

Nuclear Uncertainties in the Determination of Proton PDFs

Emanuele R. Nocera, Richard D. Ball, Rosalyn L. Pearson

arxiv:1812.09074 v2 · 2018-12-21 · 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{L6BQDU4RLZHPKAHSN43P5VFOJY}

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.

Cited by

2 papers in Pith

New CTEQ global analysis of quantum chromodynamics with high-precision data from the LHC

A linear PDF model for Bayesian inference

Receipt and verification

First computed	2026-05-17T23:47:26.899204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f8301d3915e4ef500f26f36fed4ae4e375638efec0c00ff75b464a2f3aaf6b3

Aliases

arxiv: 1812.09074 · arxiv_version: 1812.09074v2 · doi: 10.48550/arxiv.1812.09074 · pith_short_12: L6BQDU4RLZHP · pith_short_16: L6BQDU4RLZHPKAHS · pith_short_8: L6BQDU4R

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/L6BQDU4RLZHPKAHSN43P5VFOJY \
  | 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: 5f8301d3915e4ef500f26f36fed4ae4e375638efec0c00ff75b464a2f3aaf6b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6ece9dc4d38b6d1b1b7a08c1a92e2e30986db0078c452b597fe1ee215ac483",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-12-21T12:20:48Z",
    "title_canon_sha256": "0c91874f26a2df123a461f89c7384f796a548f4bc724a4dd07a028b479fb4ea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09074",
    "kind": "arxiv",
    "version": 2
  }
}