pith. sign in
Pith Number

pith:6BTTYQJN

pith:2022:6BTTYQJNJ3RPYBDCQX77E5EUK2
not attested not anchored not stored refs pending

Black Holes in a Cavity: Heat engine and Joule-Thomson Expansion

Hanwen Feng, Jun Tao, Yadong Xue, Yihe Cao

arxiv:2201.07584 v2 · 2022-01-19 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6BTTYQJNJ3RPYBDCQX77E5EUK2}

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

Receipt and verification
First computed 2026-07-05T05:01:18.180445Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f0673c412d4ee2fc046285fff2749456bf0b7432be17673f14ca6fc57b087f8c

Aliases

arxiv: 2201.07584 · arxiv_version: 2201.07584v2 · doi: 10.48550/arxiv.2201.07584 · pith_short_12: 6BTTYQJNJ3RP · pith_short_16: 6BTTYQJNJ3RPYBDC · pith_short_8: 6BTTYQJN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6BTTYQJNJ3RPYBDCQX77E5EUK2 \
  | 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: f0673c412d4ee2fc046285fff2749456bf0b7432be17673f14ca6fc57b087f8c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2c9d065df42a5a6606de9b8fcec5c902c27ad87c1bf7be325b1ecfb5c65c353b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-01-19T13:16:14Z",
    "title_canon_sha256": "007037a922021ee4392c4420367defe3b71152baca97509503428c7b7eeb0e55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07584",
    "kind": "arxiv",
    "version": 2
  }
}