pith. sign in
Pith Number

pith:CEO3WCFU

pith:2019:CEO3WCFURLNZB2M6WARU6U5OIN
not attested not anchored not stored refs pending

Unruh effect and entropy of Schwarzschild black hole

L.V. Zadorozhna, M.v. Teslyk, O.M. Teslyk

arxiv:1903.09611 v1 · 2019-03-22 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CEO3WCFURLNZB2M6WARU6U5OIN}

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 2026-05-17T23:50:39.174002Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

111dbb08b48adb90e99eb0234f53ae4348143b6eb9cee6cc71167dd12982b3bf

Aliases

arxiv: 1903.09611 · arxiv_version: 1903.09611v1 · doi: 10.48550/arxiv.1903.09611 · pith_short_12: CEO3WCFURLNZ · pith_short_16: CEO3WCFURLNZB2M6 · pith_short_8: CEO3WCFU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CEO3WCFURLNZB2M6WARU6U5OIN \
  | 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: 111dbb08b48adb90e99eb0234f53ae4348143b6eb9cee6cc71167dd12982b3bf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2458fd18df2f894c8f6cd25ea4dfbd30581dd1255e4e019ab08aebf2fc703eb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-22T17:11:16Z",
    "title_canon_sha256": "b33de6f3896b2ddefdf1647379bf0c785743a1f57dffd13cd96d97b3cfb45d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09611",
    "kind": "arxiv",
    "version": 1
  }
}