Pith Number

pith:2JOVDWTH

pith:2017:2JOVDWTHFHVNNXQR3BD7UYNN4P

not attested not anchored not stored refs pending

Toward an Epistemic-Logical Theory of Categorization

Alessandra Palmigiano, Apostolos Tzimoulis, Michele Piazzai, Nachoem M. Wijnberg, Sabine Frittella, Willem Conradie

arxiv:1707.08743 v1 · 2017-07-27 · cs.LO · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JOVDWTHFHVNNXQR3BD7UYNN4P}

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	2026-05-18T00:39:19.720928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d25d51da6729ead6de11d847fa61ade3cbb5f1006284a50f8573d0de45121443

Aliases

arxiv: 1707.08743 · arxiv_version: 1707.08743v1 · doi: 10.48550/arxiv.1707.08743 · pith_short_12: 2JOVDWTHFHVN · pith_short_16: 2JOVDWTHFHVNNXQR · pith_short_8: 2JOVDWTH

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/2JOVDWTHFHVNNXQR3BD7UYNN4P \
  | 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: d25d51da6729ead6de11d847fa61ade3cbb5f1006284a50f8573d0de45121443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efb8003d0ca244d8c66b4bd3a46b2561c80a4c0d4c4fe516c4ef336bcdaf9d99",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-07-27T07:48:07Z",
    "title_canon_sha256": "04e4cbe67378748b15b9764d229a624a1057e3ffbcfc5dd9e07893ad7b298019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08743",
    "kind": "arxiv",
    "version": 1
  }
}