Pith Number

pith:OUNQQ4X3

pith:2014:OUNQQ4X32TRYEV6KN6Y7WWL2PM

not attested not anchored not stored refs pending

Sampling Issues in Bibliometric Analysis

Lutz Bornmann, Richard Williams

arxiv:1401.2254 v2 · 2014-01-10 · stat.AP · cs.DL · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUNQQ4X32TRYEV6KN6Y7WWL2PM}

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	2026-05-18T01:26:50.617785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751b0872fbd4e38257ca6fb1fb597a7b1aa2d3c99c6b9c8ffef86d696cb48b13

Aliases

arxiv: 1401.2254 · arxiv_version: 1401.2254v2 · doi: 10.48550/arxiv.1401.2254 · pith_short_12: OUNQQ4X32TRY · pith_short_16: OUNQQ4X32TRYEV6K · pith_short_8: OUNQQ4X3

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/OUNQQ4X32TRYEV6KN6Y7WWL2PM \
  | 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: 751b0872fbd4e38257ca6fb1fb597a7b1aa2d3c99c6b9c8ffef86d696cb48b13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e79b9b56aabf01266152c479f177cba0561dfd2ec0e53531089e9d693135d0",
    "cross_cats_sorted": [
      "cs.DL",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2014-01-10T08:37:20Z",
    "title_canon_sha256": "a6ee077787d75f53d7397d3ccf3ec8c180cba99a913e912086f518b5abeac80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2254",
    "kind": "arxiv",
    "version": 2
  }
}