Pith Number

pith:4UL2J7RL

pith:2011:4UL2J7RLGZHCNQUZ6GI7A42FLD

not attested not anchored not stored refs pending

Recent progress on nuclear parton distribution functions

K. Saito, M. Hirai, S. Kumano

arxiv:1102.3479 v2 · 2011-02-17 · hep-ph · hep-ex · nucl-ex · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UL2J7RLGZHCNQUZ6GI7A42FLD}

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	2026-05-18T02:03:10.103555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e517a4fe2b364e26c299f191f0734558f8a50a50136c29605dbdd22c671cf5b7

Aliases

arxiv: 1102.3479 · arxiv_version: 1102.3479v2 · doi: 10.48550/arxiv.1102.3479 · pith_short_12: 4UL2J7RLGZHC · pith_short_16: 4UL2J7RLGZHCNQUZ · pith_short_8: 4UL2J7RL

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/4UL2J7RLGZHCNQUZ6GI7A42FLD \
  | 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: e517a4fe2b364e26c299f191f0734558f8a50a50136c29605dbdd22c671cf5b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1305b97cdc6c2c94e790c9a6bf53b9ba1795b515f33d73b7234ac02687a94c7d",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-ex",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-02-17T02:56:14Z",
    "title_canon_sha256": "c326a9e7eea28b973b4cbd8918a0e71612ba884c97d3b390ba9c0381295c7dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3479",
    "kind": "arxiv",
    "version": 2
  }
}