Pith Number

pith:G6GOZKWU

pith:2021:G6GOZKWUERLUSH3FNG45RMXOEC

not attested not anchored not stored refs pending

Kindergarden quantum mechanics graduates (...or how I learned to stop gluing LEGO together and love the ZX-calculus)

Aleks Kissinger, Bob Coecke, Dominic Horsman, Quanlong Wang

arxiv:2102.10984 v1 · 2021-02-22 · quant-ph · 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{G6GOZKWUERLUSH3FNG45RMXOEC}

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	2026-07-05T02:17:03.377790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

378cecaad42457491f6569b9d8b2ee209fbdb5e0efd932a740327bf4db3b8be0

Aliases

arxiv: 2102.10984 · arxiv_version: 2102.10984v1 · doi: 10.48550/arxiv.2102.10984 · pith_short_12: G6GOZKWUERLU · pith_short_16: G6GOZKWUERLUSH3F · pith_short_8: G6GOZKWU

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/G6GOZKWUERLUSH3FNG45RMXOEC \
  | 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: 378cecaad42457491f6569b9d8b2ee209fbdb5e0efd932a740327bf4db3b8be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a904f1c6fb7872114a66d31bf0a6e035390bfa5a3bcabfce226c89ee1c3a2ce3",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-22T13:42:33Z",
    "title_canon_sha256": "c9567219c05f787b751c91a2901aad62d474dbf7eef2060402e2b164c970653b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10984",
    "kind": "arxiv",
    "version": 1
  }
}