Pith Number

pith:AQ6IMCUD

pith:2012:AQ6IMCUD4Q5NL7IPL3TABIBPE5

not attested not anchored not stored refs pending

Minimal Self-Contained Quantum Refrigeration Machine Based on Four Quantum Dots

Davide Venturelli, Rosario Fazio, Vittorio Giovannetti

arxiv:1210.3649 v2 · 2012-10-12 · cond-mat.mes-hall · 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{AQ6IMCUD4Q5NL7IPL3TABIBPE5}

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	2026-05-18T03:20:09.575499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

043c860a83e43ad5fd0f5ee600a02f2746e540c5dc25bdad3d3116b8a4eee7a8

Aliases

arxiv: 1210.3649 · arxiv_version: 1210.3649v2 · doi: 10.48550/arxiv.1210.3649 · pith_short_12: AQ6IMCUD4Q5N · pith_short_16: AQ6IMCUD4Q5NL7IP · pith_short_8: AQ6IMCUD

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/AQ6IMCUD4Q5NL7IPL3TABIBPE5 \
  | 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: 043c860a83e43ad5fd0f5ee600a02f2746e540c5dc25bdad3d3116b8a4eee7a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2636d64c71bb90ae2333fdce323bb09bf8fbbd4172df5d3bfcddb8cc56abf5c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-10-12T21:45:41Z",
    "title_canon_sha256": "7c1dab5795da05c248ab2d07f5eae4b2019f2cd394092d5a398576899938d87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3649",
    "kind": "arxiv",
    "version": 2
  }
}