Pith Number

pith:HEPV5WAH

pith:2011:HEPV5WAHESSQKIGYDHF7TQYXRU

not attested not anchored not stored refs pending

The Quantum Absorption Refrigerator

Amikam Levy, Ronnie Kosloff

arxiv:1109.0728 v2 · 2011-09-04 · 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{HEPV5WAHESSQKIGYDHF7TQYXRU}

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	2026-05-18T02:18:41.339958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391f5ed80724a50520d819cbf9c3178d3bbb785bf311bac209b048f7ebbcde55

Aliases

arxiv: 1109.0728 · arxiv_version: 1109.0728v2 · doi: 10.48550/arxiv.1109.0728 · pith_short_12: HEPV5WAHESSQ · pith_short_16: HEPV5WAHESSQKIGY · pith_short_8: HEPV5WAH

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/HEPV5WAHESSQKIGYDHF7TQYXRU \
  | 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: 391f5ed80724a50520d819cbf9c3178d3bbb785bf311bac209b048f7ebbcde55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48b70ea73290a4ba37ef89d322a0793c1bd48e3b75a87ed55aa41020bdf43dcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-04T16:54:48Z",
    "title_canon_sha256": "64f11ef73dacd41d90be5eb39062083d3de6eaf08bf0940311108e70b9078b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0728",
    "kind": "arxiv",
    "version": 2
  }
}