Pith Number

pith:R7ZDYFKH

pith:2011:R7ZDYFKHNSGMEVW6BBOYL3YKEU

not attested not anchored not stored refs pending

Learning to Order BDD Variables in Verification

O. Grumberg, S. Livne, S. Markovitch

arxiv:1107.0020 v1 · 2011-06-30 · 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{R7ZDYFKHNSGMEVW6BBOYL3YKEU}

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	2026-05-18T04:19:03.002467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff23c15476c8cc256de085d85ef0a250dc5d32b7ea0f30fecb6c8fc8fa96a7e

Aliases

arxiv: 1107.0020 · arxiv_version: 1107.0020v1 · doi: 10.48550/arxiv.1107.0020 · pith_short_12: R7ZDYFKHNSGM · pith_short_16: R7ZDYFKHNSGMEVW6 · pith_short_8: R7ZDYFKH

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/R7ZDYFKHNSGMEVW6BBOYL3YKEU \
  | 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: 8ff23c15476c8cc256de085d85ef0a250dc5d32b7ea0f30fecb6c8fc8fa96a7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de4a25655d8b03fd1467a8ffbcc6695ae8482ebff3153c93855ae1fad14680cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-06-30T20:32:16Z",
    "title_canon_sha256": "9072868f9dbd8e1f797fa67ef8403202e48ad10a4427e0c96d4316870df29d8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0020",
    "kind": "arxiv",
    "version": 1
  }
}