Pith Number

pith:OENQ75MF

pith:2011:OENQ75MF5NWNFSSNSNC37GVS53

not attested not anchored not stored refs pending

Proceedings Third International Workshop on Classical Logic and Computation

Stefano Berardi, Steffen van Bakel, Ulrich Berger

arxiv:1101.5200 v1 · 2011-01-27 · 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{OENQ75MF5NWNFSSNSNC37GVS53}

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	2026-05-18T04:30:35.949737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711b0ff585eb6cd2ca4d9345bf9ab2eec5fc768463c1563f85d31730e9f6179f

Aliases

arxiv: 1101.5200 · arxiv_version: 1101.5200v1 · doi: 10.48550/arxiv.1101.5200 · pith_short_12: OENQ75MF5NWN · pith_short_16: OENQ75MF5NWNFSSN · pith_short_8: OENQ75MF

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/OENQ75MF5NWNFSSNSNC37GVS53 \
  | 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: 711b0ff585eb6cd2ca4d9345bf9ab2eec5fc768463c1563f85d31730e9f6179f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c4faba23136572dc391f6da049e42884e5f35b8e9c0182895d77658e876e7b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-01-27T03:03:07Z",
    "title_canon_sha256": "b27ad09d335babbeac14b7a630df25b2c075c07dbe30a277fcd8de317b757398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5200",
    "kind": "arxiv",
    "version": 1
  }
}