Pith Number

pith:LIG4LYF6

pith:2016:LIG4LYF6YUOTUXCAGICQW4PW5Z

not attested not anchored not stored refs pending

Irreversible Work and Internal Friction in a Quantum Otto Cycle of a Single Arbitrary Spin

Ferdi Altintas, Ozgur E. Mustecaplioglu, Selcuk Cakmak

arxiv:1605.02522 v2 · 2016-05-09 · 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{LIG4LYF6YUOTUXCAGICQW4PW5Z}

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	2026-05-18T00:44:24.731885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a0dc5e0bec51d3a5c4032050b71f6ee4b7bdea5363da66129402276f015b619

Aliases

arxiv: 1605.02522 · arxiv_version: 1605.02522v2 · doi: 10.48550/arxiv.1605.02522 · pith_short_12: LIG4LYF6YUOT · pith_short_16: LIG4LYF6YUOTUXCA · pith_short_8: LIG4LYF6

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/LIG4LYF6YUOTUXCAGICQW4PW5Z \
  | 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: 5a0dc5e0bec51d3a5c4032050b71f6ee4b7bdea5363da66129402276f015b619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "157b4168486a43c3468c74a47010d2711e2a02e1c30050a97bc916ce50ad71c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-09T11:07:23Z",
    "title_canon_sha256": "f884b736db04e996855907cc950644cc1846d410d2d5cdd94cb2f2fce78422ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02522",
    "kind": "arxiv",
    "version": 2
  }
}