Pith Number

pith:J6DHWYOO

pith:2012:J6DHWYOOLT54YRLWFIHAHKIIRH

not attested not anchored not stored refs pending

A simplified framework for first-order languages and its formalization in Mizar

Marco B. Caminati

arxiv:1205.4316 v1 · 2012-05-19 · math.LO · 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{J6DHWYOOLT54YRLWFIHAHKIIRH}

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	2026-05-18T03:55:13.441703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f867b61ce5cfbcc45762a0e03a90889e2ac78e76ea684a1d962f441178a94f0

Aliases

arxiv: 1205.4316 · arxiv_version: 1205.4316v1 · doi: 10.48550/arxiv.1205.4316 · pith_short_12: J6DHWYOOLT54 · pith_short_16: J6DHWYOOLT54YRLW · pith_short_8: J6DHWYOO

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/J6DHWYOOLT54YRLWFIHAHKIIRH \
  | 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: 4f867b61ce5cfbcc45762a0e03a90889e2ac78e76ea684a1d962f441178a94f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3b5e37fb99648e94dbe62901b26a067857b4a7d9bd067979b4669ca819a494",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-05-19T10:51:02Z",
    "title_canon_sha256": "9e76f870cf9fc1cdff706ab1781151792789b1decf2d9953482d9f9f6325bce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4316",
    "kind": "arxiv",
    "version": 1
  }
}