Pith Number

pith:PWHIZUFJ

pith:2023:PWHIZUFJX4VHECM7AUXZU6YNU7

not attested not anchored not stored refs pending

Reliable optimization of arbitrary functions over quantum measurements

Jiangwei Shang, Jing Luo

arxiv:2302.07534 v1 · 2023-02-15 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWHIZUFJX4VHECM7AUXZU6YNU7}

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	2026-07-05T05:42:03.140639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d8e8cd0a9bf2a72099f052f9a7b0da7da7ee9e5341ebf712720caddf903eb19

Aliases

arxiv: 2302.07534 · arxiv_version: 2302.07534v1 · doi: 10.48550/arxiv.2302.07534 · pith_short_12: PWHIZUFJX4VH · pith_short_16: PWHIZUFJX4VHECM7 · pith_short_8: PWHIZUFJ

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/PWHIZUFJX4VHECM7AUXZU6YNU7 \
  | 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: 7d8e8cd0a9bf2a72099f052f9a7b0da7da7ee9e5341ebf712720caddf903eb19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7fef1d4162582285c01b15e44b1576350b24297acb052856ee150d73ccc9eea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-02-15T09:07:15Z",
    "title_canon_sha256": "ab63ee59ff1a7455b87dba74664c29fe6ecb7ee6ddcc9d888de27fd9ff45361f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.07534",
    "kind": "arxiv",
    "version": 1
  }
}