Pith Number

pith:JZITQI7T

pith:2015:JZITQI7TE3EYEUCRO4RZCJNXG7

not attested not anchored not stored refs pending

Justification logic enjoys the strong finite model property

Thomas Studer

arxiv:1506.06933 v1 · 2015-06-23 · cs.LO · math.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{JZITQI7TE3EYEUCRO4RZCJNXG7}

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	2026-05-18T01:40:55.548598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e513823f326c982505177239125b737c7db40df0470569c988eb9224e3e0c29

Aliases

arxiv: 1506.06933 · arxiv_version: 1506.06933v1 · doi: 10.48550/arxiv.1506.06933 · pith_short_12: JZITQI7TE3EY · pith_short_16: JZITQI7TE3EYEUCR · pith_short_8: JZITQI7T

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/JZITQI7TE3EYEUCRO4RZCJNXG7 \
  | 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: 4e513823f326c982505177239125b737c7db40df0470569c988eb9224e3e0c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "524ee9988acd28f5a83ab69b2809baf9807153c7849cd2ccd5f66c0e4b8d0e4b",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-06-23T10:21:19Z",
    "title_canon_sha256": "e1d3791df2648864f88cb090e4f6c285cbb8b150e057e76cafec6b5095b85622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06933",
    "kind": "arxiv",
    "version": 1
  }
}