Pith Number

pith:62YF4QCY

pith:2000:62YF4QCYNE4KU3STTI5NKMMJRK

not attested not anchored not stored refs pending

Quantum Optimization

Dmitriy Portnov, Tad Hogg

arxiv:quant-ph/0006090 v1 · 2000-06-20 · 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{62YF4QCYNE4KU3STTI5NKMMJRK}

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

Quantum Approximate Optimization of Integer Graph Problems and Surpassing Semidefinite Programming for Max-k-Cut

Receipt and verification

First computed	2026-07-04T14:45:29.449234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b05e40586938aa6e539a3ad531898a8b7e9c39352a2ae6216a69ea8976e326

Aliases

arxiv: quant-ph/0006090 · arxiv_version: quant-ph/0006090v1 · doi: 10.48550/arxiv.quant-ph/0006090 · pith_short_12: 62YF4QCYNE4K · pith_short_16: 62YF4QCYNE4KU3ST · pith_short_8: 62YF4QCY

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/62YF4QCYNE4KU3STTI5NKMMJRK \
  | 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: f6b05e40586938aa6e539a3ad531898a8b7e9c39352a2ae6216a69ea8976e326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf350be333d18c43be57d0cd42fa80f8c098eae8d626f1c509261ac6abf90d27",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-06-20T19:56:44Z",
    "title_canon_sha256": "445d41399200ce29d0f00bee8109266fba306335e4bf6ea2e03c070a49d77213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0006090",
    "kind": "arxiv",
    "version": 1
  }
}