Pith Number

pith:QAM5S3WW

pith:2018:QAM5S3WW6STZA4W4LK276HXFP3

not attested not anchored not stored refs pending

Knowledge Graphs in the Libraries and Digital Humanities Domain

Antoine Isaac, Bernhard Haslhofer, Rainer Simon

arxiv:1803.03198 v1 · 2018-03-08 · 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{QAM5S3WW6STZA4W4LK276HXFP3}

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	2026-05-18T00:05:56.300259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8019d96ed6f4a79072dc5ab5ff1ee57ee989a78e899c73a0837bf084e6f76308

Aliases

arxiv: 1803.03198 · arxiv_version: 1803.03198v1 · doi: 10.48550/arxiv.1803.03198 · pith_short_12: QAM5S3WW6STZ · pith_short_16: QAM5S3WW6STZA4W4 · pith_short_8: QAM5S3WW

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/QAM5S3WW6STZA4W4LK276HXFP3 \
  | 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: 8019d96ed6f4a79072dc5ab5ff1ee57ee989a78e899c73a0837bf084e6f76308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a43d325e0cef410dfb1cb12ed77d693ac7e6f02ba6489cb0bca4bc59c59e0f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-03-08T16:50:11Z",
    "title_canon_sha256": "cc41ded04637be3f6c0d7b940233189f03d1f2385e7f31d632bf05e2c3ddd799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03198",
    "kind": "arxiv",
    "version": 1
  }
}