Pith Number

pith:H3MWNC3P

pith:2013:H3MWNC3PMNTDHGAYJFKKCZBZJS

not attested not anchored not stored refs pending

A quantum teleportation inspired algorithm produces sentence meaning from word meaning and grammatical structure

Bob Coecke, Edward Grefenstette, Mehrnoosh Sadrzadeh, Stephen Clark, Stephen Pulman

arxiv:1305.0556 v2 · 2013-05-02 · cs.CL · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3MWNC3PMNTDHGAYJFKKCZBZJS}

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	2026-05-18T03:10:44.705906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed9668b6f63663398184954a164394c8a139c88c4daf6c7d5a06c297c76a2e8

Aliases

arxiv: 1305.0556 · arxiv_version: 1305.0556v2 · doi: 10.48550/arxiv.1305.0556 · pith_short_12: H3MWNC3PMNTD · pith_short_16: H3MWNC3PMNTDHGAY · pith_short_8: H3MWNC3P

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/H3MWNC3PMNTDHGAYJFKKCZBZJS \
  | 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: 3ed9668b6f63663398184954a164394c8a139c88c4daf6c7d5a06c297c76a2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "198a9b8b2ae06145ccae315d741f572d358ca94ed8f1fe2b68db9240cf223f50",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-05-02T18:49:01Z",
    "title_canon_sha256": "1fcedac4ab3c1cd4e2a17afb496253f7e1ee2c409f8d881b53d108afb2e10b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0556",
    "kind": "arxiv",
    "version": 2
  }
}