Pith Number

pith:6B6CEDF2

pith:2012:6B6CEDF2M5Y5FMF66TZVAI4DOU

not attested not anchored not stored refs pending

Proof Hints for Event-B

Thai Son Hoang

arxiv:1211.1172 v1 · 2012-11-06 · cs.SE · 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{6B6CEDF2M5Y5FMF66TZVAI4DOU}

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	2026-05-18T03:41:22.151704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f07c220cba6771d2b0bef4f3502383751a62af126863311235da87bece255ef8

Aliases

arxiv: 1211.1172 · arxiv_version: 1211.1172v1 · doi: 10.48550/arxiv.1211.1172 · pith_short_12: 6B6CEDF2M5Y5 · pith_short_16: 6B6CEDF2M5Y5FMF6 · pith_short_8: 6B6CEDF2

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/6B6CEDF2M5Y5FMF66TZVAI4DOU \
  | 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: f07c220cba6771d2b0bef4f3502383751a62af126863311235da87bece255ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e0caa06611cb8ad92b462cd5d35ecd279423b56f60bd5a003cac9305b2d0e6",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-11-06T10:31:02Z",
    "title_canon_sha256": "49b0acbdca7525a9a32b07489caafd3c7bdd347a154ccddc7c0ca07c05f20909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1172",
    "kind": "arxiv",
    "version": 1
  }
}