Pith Number

pith:VZREWTUN

pith:2014:VZREWTUNBMDDPAP3UJMTAC5J5O

not attested not anchored not stored refs pending

Conversion of HOL Light proofs into Metamath

Mario Carneiro

arxiv:1412.8091 v2 · 2014-12-27 · 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{VZREWTUNBMDDPAP3UJMTAC5J5O}

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	2026-05-18T01:42:47.840182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae624b4e8d0b063781fba259300ba9eb99cf798d484c750606a81bde80af54c6

Aliases

arxiv: 1412.8091 · arxiv_version: 1412.8091v2 · doi: 10.48550/arxiv.1412.8091 · pith_short_12: VZREWTUNBMDD · pith_short_16: VZREWTUNBMDDPAP3 · pith_short_8: VZREWTUN

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/VZREWTUNBMDDPAP3UJMTAC5J5O \
  | 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: ae624b4e8d0b063781fba259300ba9eb99cf798d484c750606a81bde80af54c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93c1b2c8cbac7b74b518fcb90eca31117b7e15590908ee9d9164b7201d8135b1",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-12-27T23:29:46Z",
    "title_canon_sha256": "e51e1d75c88c5dbbdb06f2aa6ba94b8ad15c161c0d13b9ac0ff46e82ebe2d830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8091",
    "kind": "arxiv",
    "version": 2
  }
}