Pith Number

pith:RQC43N77

pith:2015:RQC43N777WOHASZYRWVKCUAUKP

not attested not anchored not stored refs pending

A First Class Boolean Sort in First-Order Theorem Proving and TPTP

Andrei Voronkov, Evgenii Kotelnikov, Laura Kov\'acs

arxiv:1505.01682 v1 · 2015-05-07 · 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{RQC43N777WOHASZYRWVKCUAUKP}

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	2026-05-18T01:30:00.981301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c05cdb7fffd9c704b388daaa1501453e7cee4cedd403182ba16c2a5c1b85b94

Aliases

arxiv: 1505.01682 · arxiv_version: 1505.01682v1 · doi: 10.48550/arxiv.1505.01682 · pith_short_12: RQC43N777WOH · pith_short_16: RQC43N777WOHASZY · pith_short_8: RQC43N77

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/RQC43N777WOHASZYRWVKCUAUKP \
  | 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: 8c05cdb7fffd9c704b388daaa1501453e7cee4cedd403182ba16c2a5c1b85b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb0f50e065e3cc5eb0f10c24cf0afac84610ebacf65265560a59d3e71c45304",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-05-07T12:35:58Z",
    "title_canon_sha256": "0b548269729df3686b445844a7744b66e0410044a51993fb8825fd38a93eabad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01682",
    "kind": "arxiv",
    "version": 1
  }
}