Pith Number

pith:2SKIHRZ2

pith:2012:2SKIHRZ2FBQKLUMONJWHPDY7FQ

not attested not anchored not stored refs pending

Quantum bath refrigeration towards absolute zero: unattainability principle challenged

David Gelbwaser-Klimovsky, Gershon Kurizki, Michal Kol\'a\v{r}, Robert Alicki

arxiv:1208.1015 v1 · 2012-08-05 · 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{2SKIHRZ2FBQKLUMONJWHPDY7FQ}

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	2026-05-18T03:43:17.898218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49483c73a2860a5d18e6a6c778f1f2c3a3ab60ed7adaa13c7254b5e2f16c9fc

Aliases

arxiv: 1208.1015 · arxiv_version: 1208.1015v1 · doi: 10.48550/arxiv.1208.1015 · pith_short_12: 2SKIHRZ2FBQK · pith_short_16: 2SKIHRZ2FBQKLUMO · pith_short_8: 2SKIHRZ2

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/2SKIHRZ2FBQKLUMONJWHPDY7FQ \
  | 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: d49483c73a2860a5d18e6a6c778f1f2c3a3ab60ed7adaa13c7254b5e2f16c9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c86fca7ceca29ac014aa586d66b9e66e06d4aff231c8b96c20ec905e11f646b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-05T14:27:05Z",
    "title_canon_sha256": "2d75af8d46d31aa6e234086d8858a74be4aa91291fd33e0ce5d0765309f2dc97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1015",
    "kind": "arxiv",
    "version": 1
  }
}