Pith Number

pith:X3YTVDXV

pith:2013:X3YTVDXVZHX6DPY3O65L5Q7BQY

not attested not anchored not stored refs pending

Towards Automated Proof Strategy Generalisation

Ewen Maclean, Gudmund Grov

arxiv:1303.2975 v2 · 2013-03-12 · cs.LO · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3YTVDXVZHX6DPY3O65L5Q7BQY}

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	2026-05-18T03:21:23.541569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bef13a8ef5c9efe1bf1b77babec3e18615c18750a4d7247736b7272898884f87

Aliases

arxiv: 1303.2975 · arxiv_version: 1303.2975v2 · doi: 10.48550/arxiv.1303.2975 · pith_short_12: X3YTVDXVZHX6 · pith_short_16: X3YTVDXVZHX6DPY3 · pith_short_8: X3YTVDXV

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/X3YTVDXVZHX6DPY3O65L5Q7BQY \
  | 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: bef13a8ef5c9efe1bf1b77babec3e18615c18750a4d7247736b7272898884f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af11dccf2693a617e76589b0fcff1910f9948ceaba4c029ebe04766219751afa",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-03-12T18:18:33Z",
    "title_canon_sha256": "769bf6cd1ace298d096447aa57b68db6c113033f518c39cc5122e0655b520afb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2975",
    "kind": "arxiv",
    "version": 2
  }
}