Pith Number

pith:LDYP62SY

pith:2019:LDYP62SYJBPQNB26JPV3ZMJGYP

not attested not anchored not stored refs pending

Graph-theoretic Simplification of Quantum Circuits with the ZX-calculus

Aleks Kissinger, John van de Wetering, Ross Duncan, Simon Perdrix

arxiv:1902.03178 v6 · 2019-02-08 · quant-ph · cs.LO · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDYP62SYJBPQNB26JPV3ZMJGYP}

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.

Cited by

1 paper in Pith

BPBO: Blindness-Preserving Brickwork Optimization by Certified Region Resynthesis

Receipt and verification

First computed	2026-07-05T01:15:04.839595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58f0ff6a58485f06875e4bebbcb126c3d927ddbf500c0bc1052dff94b855398b

Aliases

arxiv: 1902.03178 · arxiv_version: 1902.03178v6 · doi: 10.48550/arxiv.1902.03178 · pith_short_12: LDYP62SYJBPQ · pith_short_16: LDYP62SYJBPQNB26 · pith_short_8: LDYP62SY

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/LDYP62SYJBPQNB26JPV3ZMJGYP \
  | 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: 58f0ff6a58485f06875e4bebbcb126c3d927ddbf500c0bc1052dff94b855398b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdbbef09501a8ef2edd627796055b314a716b8dbfcdfa6fc428d57ceebf47e2b",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-08T16:37:51Z",
    "title_canon_sha256": "8b4ff801dafb54e98b1c21b985f0671aa612afc5ad71706020d54abe32bce8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03178",
    "kind": "arxiv",
    "version": 6
  }
}