Pith Number

pith:B7UW2HHQ

pith:2020:B7UW2HHQQSXT3C7G3OFN2OBVXS

not attested not anchored not stored refs pending

Experimental Realization of a Quantum Refrigerator Driven by Indefinite Causal Orders

Cheng Xi, Chudan Qiu, Dawei Lu, Jun Li, Kai Tang, Keyi Huang, Tao Xin, Xiaodong Yang, Xinfang Nie, Xinyue Long, Xuanran Zhu, Ying Dong, Yu Tian, Zidong Lin

arxiv:2011.12580 v2 · 2020-11-25 · 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{B7UW2HHQQSXT3C7G3OFN2OBVXS}

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	2026-07-05T04:55:14.679949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe96d1cf084af3d8be6db8add3835bcbb9ed9885600aba12c1aba340800f067

Aliases

arxiv: 2011.12580 · arxiv_version: 2011.12580v2 · doi: 10.48550/arxiv.2011.12580 · pith_short_12: B7UW2HHQQSXT · pith_short_16: B7UW2HHQQSXT3C7G · pith_short_8: B7UW2HHQ

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/B7UW2HHQQSXT3C7G3OFN2OBVXS \
  | 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: 0fe96d1cf084af3d8be6db8add3835bcbb9ed9885600aba12c1aba340800f067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc20496b0ef231edd23955767ef755f1964c9de1bd411616207cc3c519b0008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-11-25T08:44:25Z",
    "title_canon_sha256": "78bdf387a6733c07e5ac13b4cc45ac1daa9c75e52862d12571376e95ba714f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.12580",
    "kind": "arxiv",
    "version": 2
  }
}