Pith Number

pith:T4UB3YN6

pith:2015:T4UB3YN66KYAJMOZCQYPPR7THB

not attested not anchored not stored refs pending

Proceedings Fourth Workshop on Proof eXchange for Theorem Proving

Andrei Paskevich, Cezary Kaliszyk

arxiv:1507.08375 v1 · 2015-07-30 · 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{T4UB3YN66KYAJMOZCQYPPR7THB}

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	2026-05-18T01:36:06.651699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f281de1bef2b004b1d91430f7c7f3386f60be134d0344e06c3e6039db3affea

Aliases

arxiv: 1507.08375 · arxiv_version: 1507.08375v1 · doi: 10.48550/arxiv.1507.08375 · pith_short_12: T4UB3YN66KYA · pith_short_16: T4UB3YN66KYAJMOZ · pith_short_8: T4UB3YN6

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/T4UB3YN66KYAJMOZCQYPPR7THB \
  | 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: 9f281de1bef2b004b1d91430f7c7f3386f60be134d0344e06c3e6039db3affea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e0689bf8ec951e7a37950f7539eb070dd93a665dd930e6ac513ed718195a27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-07-30T04:38:31Z",
    "title_canon_sha256": "bf8448cb6ac898f4a8f7b4795f17adcaa48527326a6718cb7504b9d0317cb27e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08375",
    "kind": "arxiv",
    "version": 1
  }
}