Pith Number

pith:HXD7MBUH

pith:2025:HXD7MBUHL575G3IHX7QZMJSTJF

not attested not anchored not stored refs pending

Quantum algorithms for cooling: a simple case study

Barbara Kraus, Daniel Molpeceres, J. Ignacio Cirac, Sirui Lu

arxiv:2503.24330 v2 · 2025-03-31 · 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{HXD7MBUHL575G3IHX7QZMJSTJF}

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	2026-07-05T11:56:54.927632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dc7f606875f7fd36d07bfe1962653497c81987946b22f9688467198dd874846

Aliases

arxiv: 2503.24330 · arxiv_version: 2503.24330v2 · doi: 10.48550/arxiv.2503.24330 · pith_short_12: HXD7MBUHL575 · pith_short_16: HXD7MBUHL575G3IH · pith_short_8: HXD7MBUH

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/HXD7MBUHL575G3IHX7QZMJSTJF \
  | 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: 3dc7f606875f7fd36d07bfe1962653497c81987946b22f9688467198dd874846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e2319d5f67450dc395bf767939a72c13dd3cee085a36f748d80bf31064d5286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-31T17:19:12Z",
    "title_canon_sha256": "6559aad77cf29cf5c27b4965076a80de00e7df97851a7ee8e746f501f00a6aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.24330",
    "kind": "arxiv",
    "version": 2
  }
}