Pith Number

pith:ANQZQRPN

pith:2014:ANQZQRPNWFJOEBRD4CVBAZXKSZ

not attested not anchored not stored refs pending

Optimal Efficiency of Heat Engines with Finite-Size Heat Baths

Hiroyasu Tajima, Masahito Hayashi

arxiv:1405.6457 v3 · 2014-05-26 · quant-ph · cond-mat.stat-mech

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANQZQRPNWFJOEBRD4CVBAZXKSZ}

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	2026-05-18T00:40:08.741734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03619845edb152e20623e0aa1066ea9651e499a922f37f2e8db50b401750de65

Aliases

arxiv: 1405.6457 · arxiv_version: 1405.6457v3 · doi: 10.48550/arxiv.1405.6457 · pith_short_12: ANQZQRPNWFJO · pith_short_16: ANQZQRPNWFJOEBRD · pith_short_8: ANQZQRPN

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/ANQZQRPNWFJOEBRD4CVBAZXKSZ \
  | 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: 03619845edb152e20623e0aa1066ea9651e499a922f37f2e8db50b401750de65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117482081f8e861532813c1ffec18577f596c6182273b63fd5ec1b4d8c44e4e2",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-05-26T04:06:44Z",
    "title_canon_sha256": "9260a782778a8f9593ae21ac80143d336a2ba94a7d9edd3116cc2165bebad7d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6457",
    "kind": "arxiv",
    "version": 3
  }
}