Pith Number

pith:FYFWI7B7

pith:2005:FYFWI7B7BRMANAQN6SJ2D2KEAC

not attested not anchored not stored refs pending

Optimization by Quantum Annealing: Lessons from Simple Cases

Erio Tosatti, Giuseppe E. Santoro, Lorenzo Stella

arxiv:cond-mat/0502129 v2 · 2005-02-04 · cond-mat.other · cond-mat.dis-nn · 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{FYFWI7B7BRMANAQN6SJ2D2KEAC}

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	2026-07-04T16:53:27.530201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e0b647c3f0c5806820df493a1e9440083b17c6c9ef6f9338a2a12f60c3e5483

Aliases

arxiv: cond-mat/0502129 · arxiv_version: cond-mat/0502129v2 · doi: 10.48550/arxiv.cond-mat/0502129 · pith_short_12: FYFWI7B7BRMA · pith_short_16: FYFWI7B7BRMANAQN · pith_short_8: FYFWI7B7

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/FYFWI7B7BRMANAQN6SJ2D2KEAC \
  | 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: 2e0b647c3f0c5806820df493a1e9440083b17c6c9ef6f9338a2a12f60c3e5483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d5ccaa4ebfd656d3389c0c597d3f4a4c84fd42433c994733c27f08b64c0dea1",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2005-02-04T14:56:00Z",
    "title_canon_sha256": "52d98ba68a542ebcc08738e9a0413a0a3655109fcac41f3bb016ebdaeb80e264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0502129",
    "kind": "arxiv",
    "version": 2
  }
}