Pith Number

pith:F5OWGQ7L

pith:2011:F5OWGQ7LBX3XTKXLT5GESIVFTO

not attested not anchored not stored refs pending

Fractional counting of citations in research evaluation: A cross- and interdisciplinary assessment of the Tsinghua University in Beijing

Loet Leydesdorff, Ping Zhou

arxiv:1101.4750 v1 · 2011-01-25 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5OWGQ7LBX3XTKXLT5GESIVFTO}

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	2026-05-18T04:30:59.018813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5d6343eb0df779aaeb9f4c4922a59bb1575205264343441518b37772f658a7

Aliases

arxiv: 1101.4750 · arxiv_version: 1101.4750v1 · doi: 10.48550/arxiv.1101.4750 · pith_short_12: F5OWGQ7LBX3X · pith_short_16: F5OWGQ7LBX3XTKXL · pith_short_8: F5OWGQ7L

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/F5OWGQ7LBX3XTKXLT5GESIVFTO \
  | 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: 2f5d6343eb0df779aaeb9f4c4922a59bb1575205264343441518b37772f658a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d913e0f8a38831b68450d5222180d8145d5ec09903d0ea8d33de4a1280f2264a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-01-25T09:13:15Z",
    "title_canon_sha256": "3f93c5a71472768675fd8a69db8ce34607315bf8fd111605f768bbcfb55b1a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4750",
    "kind": "arxiv",
    "version": 1
  }
}