Pith Number

pith:SZ7CQLOT

pith:2014:SZ7CQLOTG5O5H2A54WWFPLMBYI

not attested not anchored not stored refs pending

Machine Learner for Automated Reasoning 0.4 and 0.5

Cezary Kaliszyk, Ji\v{r}\'i Vysko\v{c}il, Josef Urban

arxiv:1402.2359 v2 · 2014-02-11 · cs.LG · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZ7CQLOTG5O5H2A54WWFPLMBYI}

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	2026-05-18T02:50:58.596335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

967e282dd3375dd3e81de5ac57ad81c2083ef7b1d22d23c194d78767f872cce5

Aliases

arxiv: 1402.2359 · arxiv_version: 1402.2359v2 · doi: 10.48550/arxiv.1402.2359 · pith_short_12: SZ7CQLOTG5O5 · pith_short_16: SZ7CQLOTG5O5H2A5 · pith_short_8: SZ7CQLOT

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/SZ7CQLOTG5O5H2A54WWFPLMBYI \
  | 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: 967e282dd3375dd3e81de5ac57ad81c2083ef7b1d22d23c194d78767f872cce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9b3d6d2f0a71e7f46c8c43d919de469cdbbb6aaf06669d3617ec6489bbbe57",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-02-11T03:42:00Z",
    "title_canon_sha256": "1ea8bfff143c55cb988a6107275a8168ef71c656d2da934643109ada6df513a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2359",
    "kind": "arxiv",
    "version": 2
  }
}