Pith Number

pith:VBWKFD3M

pith:2016:VBWKFD3MB5G3GMOJGSQ3P66JUL

not attested not anchored not stored refs pending

Harmonic Grammar in a DisCo Model of Meaning

Bob Coecke, Martha Lewis

arxiv:1602.02089 v1 · 2016-02-05 · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBWKFD3MB5G3GMOJGSQ3P66JUL}

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	2026-05-18T01:21:14.542245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a86ca28f6c0f4db331c934a1b7fbc9a2f4932e64d0eda158e1912e6cae99d01f

Aliases

arxiv: 1602.02089 · arxiv_version: 1602.02089v1 · doi: 10.48550/arxiv.1602.02089 · pith_short_12: VBWKFD3MB5G3 · pith_short_16: VBWKFD3MB5G3GMOJ · pith_short_8: VBWKFD3M

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/VBWKFD3MB5G3GMOJGSQ3P66JUL \
  | 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: a86ca28f6c0f4db331c934a1b7fbc9a2f4932e64d0eda158e1912e6cae99d01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da17c75d5225a9c626847a02ac2063f229847b416f13f0bdceaded203e3f09ce",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-02-05T16:40:44Z",
    "title_canon_sha256": "08ed6f469c1f2390f2324f0232aa2ab2d6bfc0258832e44d50651e0c0dbf8c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02089",
    "kind": "arxiv",
    "version": 1
  }
}