Pith Number

pith:CZG7JK5T

pith:2020:CZG7JK5TZQIRO3H5MQCMBUXTFO

not attested not anchored not stored refs pending

Quantum Refrigeration with Indefinite Causal Order

David Felce, Vlatko Vedral

arxiv:2003.00794 v4 · 2020-03-02 · 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{CZG7JK5TZQIRO3H5MQCMBUXTFO}

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.

Cited by

1 paper in Pith

Interference of local-measurement histories

Receipt and verification

First computed	2026-07-05T03:35:05.418366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164df4abb3cc11176cfd6404c0d2f32b934d9e10d56231314bdc8ea898b51856

Aliases

arxiv: 2003.00794 · arxiv_version: 2003.00794v4 · doi: 10.48550/arxiv.2003.00794 · pith_short_12: CZG7JK5TZQIR · pith_short_16: CZG7JK5TZQIRO3H5 · pith_short_8: CZG7JK5T

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/CZG7JK5TZQIRO3H5MQCMBUXTFO \
  | 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: 164df4abb3cc11176cfd6404c0d2f32b934d9e10d56231314bdc8ea898b51856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eef32d86eda0f8fb920a51625dd391bbd295f32860336f5f0fd8e7d3b2a9717",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-02T12:12:23Z",
    "title_canon_sha256": "b46759a6d9dd3e38b5063d080d54f1a54966fc0949a7d3a6a58ba39be8a10dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00794",
    "kind": "arxiv",
    "version": 4
  }
}