Pith Number

pith:5NDLVYCG

pith:2015:5NDLVYCGW5NIB7TI4QCWIYAPZZ

not attested not anchored not stored refs pending

Evaluating the Quality of RDF Data Sets on Common Vocabularies in the Social, Behavioral, and Economic Sciences

Benjamin Zapilko, Joachim Wackerow, Kai Eckert, Thomas Hartmann

arxiv:1504.04478 v2 · 2015-04-17 · 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{5NDLVYCGW5NIB7TI4QCWIYAPZZ}

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	2026-05-18T01:33:00.872501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb46bae046b75a80fe68e40564600fce43d0be83640e72e02e06decf9b4c3ff5

Aliases

arxiv: 1504.04478 · arxiv_version: 1504.04478v2 · doi: 10.48550/arxiv.1504.04478 · pith_short_12: 5NDLVYCGW5NI · pith_short_16: 5NDLVYCGW5NIB7TI · pith_short_8: 5NDLVYCG

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/5NDLVYCGW5NIB7TI4QCWIYAPZZ \
  | 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: eb46bae046b75a80fe68e40564600fce43d0be83640e72e02e06decf9b4c3ff5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4b5705ef2de5076bc79aa41a7a9e853c126bca3e43256ae3625f75540b221a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-04-17T10:42:09Z",
    "title_canon_sha256": "8c8bc5f003069424364e13f00a556a323f6aefc26c0ae969d2d4ab8c5a4459e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04478",
    "kind": "arxiv",
    "version": 2
  }
}