Pith Number

pith:6XOHHUOP

pith:2012:6XOHHUOPNSNSXMWXKZDM3RKCEP

not attested not anchored not stored refs pending

Isabelle/jEdit --- a Prover IDE within the PIDE framework

Makarius Wenzel

arxiv:1207.3441 v1 · 2012-07-14 · cs.LO · cs.AI · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XOHHUOPNSNSXMWXKZDM3RKCEP}

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	2026-05-18T03:51:01.111987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5dc73d1cf6c9b2bb2d75646cdc54223d62c8f7df750323394c91b7dd8a9d817

Aliases

arxiv: 1207.3441 · arxiv_version: 1207.3441v1 · doi: 10.48550/arxiv.1207.3441 · pith_short_12: 6XOHHUOPNSNS · pith_short_16: 6XOHHUOPNSNSXMWX · pith_short_8: 6XOHHUOP

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/6XOHHUOPNSNSXMWXKZDM3RKCEP \
  | 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: f5dc73d1cf6c9b2bb2d75646cdc54223d62c8f7df750323394c91b7dd8a9d817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfbedb238a3129bcfcb0fd93ea2a3abbee7569c7d60c371d132a3d15ca572f1f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-07-14T16:47:03Z",
    "title_canon_sha256": "a14fa2758705f1372d8bb6a3d296c484f21b38942e9f5db1db2da03aafe7e71e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3441",
    "kind": "arxiv",
    "version": 1
  }
}