Pith Number

pith:BSVSHDZD

pith:2021:BSVSHDZDDPIY5RUSA7CMSCGHSA

not attested not anchored not stored refs pending

lambeq: An Efficient High-Level Python Library for Quantum NLP

Alexis Toumi, Anna Pearson, Bob Coecke, Dimitri Kartsaklis, Giovanni De Felice, Ian Fan, Konstantinos Meichanetzidis, Richie Yeung, Robin Lorenz, Stephen Clark

arxiv:2110.04236 v1 · 2021-10-08 · cs.CL · cs.AI · 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{BSVSHDZDDPIY5RUSA7CMSCGHSA}

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	2026-07-05T03:21:02.167833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cab238f231bd18ec69207c4c908c79011a7692932a3edbae58a9093fd8ab91a

Aliases

arxiv: 2110.04236 · arxiv_version: 2110.04236v1 · doi: 10.48550/arxiv.2110.04236 · pith_short_12: BSVSHDZDDPIY · pith_short_16: BSVSHDZDDPIY5RUS · pith_short_8: BSVSHDZD

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/BSVSHDZDDPIY5RUSA7CMSCGHSA \
  | 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: 0cab238f231bd18ec69207c4c908c79011a7692932a3edbae58a9093fd8ab91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e835837b331b165d8d87085071c5408e3e465e4db23ea3a35f378a84ad2b6408",
    "cross_cats_sorted": [
      "cs.AI",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-08T16:40:56Z",
    "title_canon_sha256": "c3b181acaa95552c4aad9b0803e97b88ebe818447af961f9e9a3790decf381f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04236",
    "kind": "arxiv",
    "version": 1
  }
}