Pith Number

pith:FPYLPBM7

pith:2014:FPYLPBM7WG63WYZ4FYUKTOB6V6

not attested not anchored not stored refs pending

Reasoning about Meaning in Natural Language with Compact Closed Categories and Frobenius Algebras

Bob Coecke, Dimitri Kartsaklis, Mehrnoosh Sadrzadeh, Stephen Pulman

arxiv:1401.5980 v1 · 2014-01-23 · cs.CL · cs.AI · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPYLPBM7WG63WYZ4FYUKTOB6V6}

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	2026-05-18T02:52:06.191292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bf0b7859fb1bdbb633c2e28a9b83eaf99fdb17d1a53ef4be6ddf693a6b2d68a

Aliases

arxiv: 1401.5980 · arxiv_version: 1401.5980v1 · doi: 10.48550/arxiv.1401.5980 · pith_short_12: FPYLPBM7WG63 · pith_short_16: FPYLPBM7WG63WYZ4 · pith_short_8: FPYLPBM7

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/FPYLPBM7WG63WYZ4FYUKTOB6V6 \
  | 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: 2bf0b7859fb1bdbb633c2e28a9b83eaf99fdb17d1a53ef4be6ddf693a6b2d68a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bc7e01cd4bd2c5fd00fee85b29fb2d81984f8a579efc468e142124713cddf37",
    "cross_cats_sorted": [
      "cs.AI",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-01-23T14:20:58Z",
    "title_canon_sha256": "e861876924ac1015509c2219a4989e5b3e547ea42d88e3a99d26b02ad08cd6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5980",
    "kind": "arxiv",
    "version": 1
  }
}