Pith Number

pith:5MWQOXEZ

pith:2026:5MWQOXEZS6PNP4E56GEW2BAFYD

not attested not anchored not stored refs pending

Optimal T Counts under Sparsity: from QROM to State Preparation and Block Encoding

Fengning Ou, Pei Yuan, Penghui Yao, Shengyu Zhang, Tongyang Li, Xinzhao Wang

arxiv:2607.28260 v1 · 2026-07-30 · quant-ph · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MWQOXEZS6PNP4E56GEW2BAFYD}

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	2026-07-31T01:36:56.838085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

eb2d075c99979ed7f09df1896d0405c0e664ec7b950809f4a75e72e24ac0c448

Aliases

arxiv: 2607.28260 · arxiv_version: 2607.28260v1 · doi: 10.48550/arxiv.2607.28260 · pith_short_12: 5MWQOXEZS6PN · pith_short_16: 5MWQOXEZS6PNP4E5 · pith_short_8: 5MWQOXEZ

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/5MWQOXEZS6PNP4E56GEW2BAFYD \
  | 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: eb2d075c99979ed7f09df1896d0405c0e664ec7b950809f4a75e72e24ac0c448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f0b77be03042d4af04d0f4fc330124ff8c62d0652f545be52ab43f135ab6d4",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-30T14:18:29Z",
    "title_canon_sha256": "913719aeb32cfacf307845c62636fa9788257749e52a462f5dad15fb86852ec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28260",
    "kind": "arxiv",
    "version": 1
  }
}