Pith Number

pith:Z7JWIQZZ

pith:2022:Z7JWIQZZDA6J6WDXR2NHUDM5XG

not attested not anchored not stored refs pending

Classification at the Accuracy Limit -- Facing the Problem of Data Ambiguity

Achim Schilling, Claus Metzner, Holger Schulze, Konstantin Tziridis, Maximilian Traxdorf, Patrick Krauss

arxiv:2206.01922 v1 · 2022-06-04 · cs.LG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7JWIQZZDA6J6WDXR2NHUDM5XG}

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	2026-07-05T04:28:57.799437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfd3644339183c9f58778e9a7a0d9db9befe2b86107e4e0e7c9a6a0c5b9d3e97

Aliases

arxiv: 2206.01922 · arxiv_version: 2206.01922v1 · doi: 10.48550/arxiv.2206.01922 · pith_short_12: Z7JWIQZZDA6J · pith_short_16: Z7JWIQZZDA6J6WDX · pith_short_8: Z7JWIQZZ

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/Z7JWIQZZDA6J6WDXR2NHUDM5XG \
  | 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: cfd3644339183c9f58778e9a7a0d9db9befe2b86107e4e0e7c9a6a0c5b9d3e97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e1900b934c00ed76f5dd0086dcf9f593249b0370fe85662296250bd16953fa3",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-06-04T07:00:32Z",
    "title_canon_sha256": "9d8622a4fe178257198042cdc4d42a3a43a819de15dec4e2864000f7c025d6a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.01922",
    "kind": "arxiv",
    "version": 1
  }
}