Pith Number

pith:36BKGNU2

pith:2020:36BKGNU27HIZ5PBSLR42OS2GA6

not attested not anchored not stored refs pending

Realistic non-local refrigeration engine based on Coulomb coupled systems

Anamika Barman, Aniket Singha, Gourab Dutta, Shailendra K. Varshney, Surojit Halder

arxiv:2005.07966 v2 · 2020-05-16 · physics.app-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{36BKGNU27HIZ5PBSLR42OS2GA6}

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	2026-07-05T02:12:23.485809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df82a3369af9d19ebc325c79a74b460793c4e53a833dce38cc9b885976b95ae1

Aliases

arxiv: 2005.07966 · arxiv_version: 2005.07966v2 · doi: 10.48550/arxiv.2005.07966 · pith_short_12: 36BKGNU27HIZ · pith_short_16: 36BKGNU27HIZ5PBS · pith_short_8: 36BKGNU2

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/36BKGNU27HIZ5PBSLR42OS2GA6 \
  | 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: df82a3369af9d19ebc325c79a74b460793c4e53a833dce38cc9b885976b95ae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4064847b6b99165522feeb0be0febdb3112eec3baf2051d643188bdd3059d9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-05-16T12:23:05Z",
    "title_canon_sha256": "64ec9efda88f2aaf3e38e6388eea5221a2f49c85be36813121bbf2e2ed2eeedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07966",
    "kind": "arxiv",
    "version": 2
  }
}