Pith Number

pith:FQXE5X66

pith:2012:FQXE5X667BQDGUXZW4DU4Y7DL7

not attested not anchored not stored refs pending

Unbiased Polarised Parton Distribution Functions and their Uncertainties

Emanuele R. Nocera, Giovanni Ridolfi, Juan Rojo, Stefano Forte

arxiv:1206.0201 v2 · 2012-06-01 · 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{FQXE5X667BQDGUXZW4DU4Y7DL7}

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	2026-05-18T03:52:41.204724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2e4edfdef8603352f9b7074e63e35ff255b4ba0765e1a5a57558fbf1b7bac6

Aliases

arxiv: 1206.0201 · arxiv_version: 1206.0201v2 · doi: 10.48550/arxiv.1206.0201 · pith_short_12: FQXE5X667BQD · pith_short_16: FQXE5X667BQDGUXZ · pith_short_8: FQXE5X66

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/FQXE5X667BQDGUXZW4DU4Y7DL7 \
  | 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: 2c2e4edfdef8603352f9b7074e63e35ff255b4ba0765e1a5a57558fbf1b7bac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7165c6e4a971097a4731a8147aa882b174b57809971aba17047e2e1353adb0ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-06-01T14:38:13Z",
    "title_canon_sha256": "325c130a578114fcf6d5eb5d03dd9ba4332f98cf739b637db336e18bf44eba3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0201",
    "kind": "arxiv",
    "version": 2
  }
}