Pith Number

pith:AYXVTQDI

pith:2011:AYXVTQDIDG5FVN7UA2R63M63CU

not attested not anchored not stored refs pending

Intuitionistic implication makes model checking hard

Felix Weiss, Martin Mundhenk

arxiv:1107.1963 v3 · 2011-07-11 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYXVTQDIDG5FVN7UA2R63M63CU}

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	2026-05-18T01:37:39.361819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

062f59c06819ba5ab7f406a3edb3db15115551f92a314d4f8dcebfb13389c37f

Aliases

arxiv: 1107.1963 · arxiv_version: 1107.1963v3 · doi: 10.48550/arxiv.1107.1963 · pith_short_12: AYXVTQDIDG5F · pith_short_16: AYXVTQDIDG5FVN7U · pith_short_8: AYXVTQDI

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/AYXVTQDIDG5FVN7UA2R63M63CU \
  | 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: 062f59c06819ba5ab7f406a3edb3db15115551f92a314d4f8dcebfb13389c37f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105568d2ca5d72b471ccdb43acd14a9e2cab8325a73891a1ecc6d84b6dfdaaef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-07-11T08:41:55Z",
    "title_canon_sha256": "62bec27f76eb21b824b65d0fa3222845361ab944f0db084ce508a7eeb35d2cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1963",
    "kind": "arxiv",
    "version": 3
  }
}