Pith Number

pith:B6T6Z4XM

pith:2013:B6T6Z4XMWX3CPXU4FXU5EIDWB5

not attested not anchored not stored refs pending

Comment on "Cooling by Heating: Refrigerator Powered by Photons"

Armen E. Allahverdyan, Guenter Mahler, Karen V. Hovhannisyan

arxiv:1302.4392 v1 · 2013-02-18 · cond-mat.stat-mech · 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{B6T6Z4XMWX3CPXU4FXU5EIDWB5}

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	2026-05-18T03:33:14.682646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fa7ecf2ecb5f627de9c2de9d220760f47464a84fb5096ddc1da78b60f739c88

Aliases

arxiv: 1302.4392 · arxiv_version: 1302.4392v1 · doi: 10.48550/arxiv.1302.4392 · pith_short_12: B6T6Z4XMWX3C · pith_short_16: B6T6Z4XMWX3CPXU4 · pith_short_8: B6T6Z4XM

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/B6T6Z4XMWX3CPXU4FXU5EIDWB5 \
  | 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: 0fa7ecf2ecb5f627de9c2de9d220760f47464a84fb5096ddc1da78b60f739c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b4f41454c63d92371438e79ba4bb44b75f54140776a68a8c238ee0804c69e9",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2013-02-18T19:15:36Z",
    "title_canon_sha256": "129d39f60c95e8e74bc376d35d34d409633356b5e229958d9ba1e583f9aeaf70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4392",
    "kind": "arxiv",
    "version": 1
  }
}