Pith Number

pith:PMSOJAFR

pith:2011:PMSOJAFRZMOFV4J73QVZBVWDKP

not attested not anchored not stored refs pending

A system of relational syllogistic incorporating full Boolean reasoning

Dimiter Vakarelov, Nikolay Ivanov

arxiv:1102.4496 v5 · 2011-02-22 · 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{PMSOJAFRZMOFV4J73QVZBVWDKP}

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	2026-05-18T02:22:31.315525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b24e480b1cb1c5af13fdc2b90d6c353e3d48de4b88622a0f0f2dcc17f469ad8

Aliases

arxiv: 1102.4496 · arxiv_version: 1102.4496v5 · doi: 10.48550/arxiv.1102.4496 · pith_short_12: PMSOJAFRZMOF · pith_short_16: PMSOJAFRZMOFV4J7 · pith_short_8: PMSOJAFR

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/PMSOJAFRZMOFV4J73QVZBVWDKP \
  | 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: 7b24e480b1cb1c5af13fdc2b90d6c353e3d48de4b88622a0f0f2dcc17f469ad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02573aabb47af5651e04e49e95ddd12fa981ec95b9ee634c914c4139b44bc5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-02-22T13:25:32Z",
    "title_canon_sha256": "d7cf37586262bc2bb0e92d5fc48e8dfe67e5bac6b6e381f48e42b4d5f2785723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4496",
    "kind": "arxiv",
    "version": 5
  }
}