Pith Number

pith:Y4KLRWFZ

pith:2011:Y4KLRWFZLE5WVPKOBA264GJWKY

not attested not anchored not stored refs pending

Citation analysis cannot legitimate the strategic selection of excellence

Loet Leydesdorff, Tobias Opthof

arxiv:1102.2569 v2 · 2011-02-13 · cs.DL · physics.soc-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{Y4KLRWFZLE5WVPKOBA264GJWKY}

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	2026-05-18T04:28:38.792550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c714b8d8b9593b6abd4e0835ee193656121424e332287ae7427ee107d1541ab5

Aliases

arxiv: 1102.2569 · arxiv_version: 1102.2569v2 · doi: 10.48550/arxiv.1102.2569 · pith_short_12: Y4KLRWFZLE5W · pith_short_16: Y4KLRWFZLE5WVPKO · pith_short_8: Y4KLRWFZ

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/Y4KLRWFZLE5WVPKOBA264GJWKY \
  | 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: c714b8d8b9593b6abd4e0835ee193656121424e332287ae7427ee107d1541ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bed6e834654cd41871ed8218ffe07c26eeaf729d425183975abff2bd57937fb",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-02-13T08:49:10Z",
    "title_canon_sha256": "a26dabcf4b2086df98532745c9f43c9f4b53919e6fee5f31c53ed22b42a32ba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2569",
    "kind": "arxiv",
    "version": 2
  }
}