pith. sign in
Pith Number

pith:GO2NCUUQ

pith:2019:GO2NCUUQCIX5XA77QMDCQATIQY
not attested not anchored not stored refs pending

Extensivity, entropy current, area law and Unruh effect

D. Rindori (Florence U.), F. Becattini

arxiv:1903.05422 v3 · 2019-03-13 · hep-th · gr-qc · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GO2NCUUQCIX5XA77QMDCQATIQY}

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 2026-05-17T23:40:11.121820Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

33b4d15290122fdb83ff830628026886326b3183b33ba33b1352aff5a78705f2

Aliases

arxiv: 1903.05422 · arxiv_version: 1903.05422v3 · doi: 10.48550/arxiv.1903.05422 · pith_short_12: GO2NCUUQCIX5 · pith_short_16: GO2NCUUQCIX5XA77 · pith_short_8: GO2NCUUQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GO2NCUUQCIX5XA77QMDCQATIQY \
  | 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: 33b4d15290122fdb83ff830628026886326b3183b33ba33b1352aff5a78705f2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6b782baec461cc531d441d09a9911dac6e105c10504e480bff0ab923e80df04",
    "cross_cats_sorted": [
      "gr-qc",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-03-13T11:39:50Z",
    "title_canon_sha256": "8f81d6d65db24350122a59e377d869f9349b525838b69ec21f181428efc6ec5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05422",
    "kind": "arxiv",
    "version": 3
  }
}