Pith Number

pith:PQ4MIM2Z

pith:2022:PQ4MIM2ZKO4SBG6VSQQLAC5KEZ

not attested not anchored not stored refs pending

Language-independence of DisCoCirc's Text Circuits: English and Urdu

Bob Coecke, Jonathon Liu, Muhammad Hamza Waseem, Vincent Wang-Ma\'scianica

arxiv:2208.10281 v1 · 2022-08-11 · cs.CL · 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{PQ4MIM2ZKO4SBG6VSQQLAC5KEZ}

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	2026-07-05T04:50:27.132489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c38c4335953b9209bd59420b00baa2643fcd17349418452b6c4394fb379bca7

Aliases

arxiv: 2208.10281 · arxiv_version: 2208.10281v1 · doi: 10.48550/arxiv.2208.10281 · pith_short_12: PQ4MIM2ZKO4S · pith_short_16: PQ4MIM2ZKO4SBG6V · pith_short_8: PQ4MIM2Z

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/PQ4MIM2ZKO4SBG6VSQQLAC5KEZ \
  | 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: 7c38c4335953b9209bd59420b00baa2643fcd17349418452b6c4394fb379bca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9351e9bfb2e2343454d4e6d439224c60f39671ab15259f6df13c784e67e2cee0",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-08-11T09:32:00Z",
    "title_canon_sha256": "3ed3ff4167215b1e6426a4f829dc6c83a70a51bd9f9fa5ad8517e25a338ab874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.10281",
    "kind": "arxiv",
    "version": 1
  }
}