Pith Number

pith:QCVV44E4

pith:2026:QCVV44E4XDA2UP5EJWHP2BJ7MX

not attested not anchored not stored refs pending

Quantum classification and search algorithms using spinorial representations

Lauro Mascarenhas, Marco A. S. Trindade, Vinicius N. A. Lula-Rocha

arxiv:2603.16564 v3 · 2026-03-17 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCVV44E4XDA2UP5EJWHP2BJ7MX}

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	2026-06-30T01:17:36.854349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ab5e709cb8c1aa3fa44d8efd053f65c024d618b6aa2849a414f0232707b173

Aliases

arxiv: 2603.16564 · arxiv_version: 2603.16564v3 · doi: 10.48550/arxiv.2603.16564 · pith_short_12: QCVV44E4XDA2 · pith_short_16: QCVV44E4XDA2UP5E · pith_short_8: QCVV44E4

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/QCVV44E4XDA2UP5EJWHP2BJ7MX \
  | 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: 80ab5e709cb8c1aa3fa44d8efd053f65c024d618b6aa2849a414f0232707b173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc1778bf6ea7a7e2b7258f0d7290f13c12cddc4ae1a1b6507156da33fa94dd6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-17T14:23:47Z",
    "title_canon_sha256": "1ab136bf351bb09273f4cc164ef233ad0275ef9eda9d12ab892e8505b4cc11c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.16564",
    "kind": "arxiv",
    "version": 3
  }
}