Pith Number

pith:2IVSCBWN

pith:2023:2IVSCBWNDF2HX2ABCRD2PGDXDG

not attested not anchored not stored refs pending

Topological classes of black holes in de-Sitter spacetime

Xiangdong Zhang, Yongbin Du

arxiv:2303.13105 v1 · 2023-03-23 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IVSCBWNDF2HX2ABCRD2PGDXDG}

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

Topology of black hole thermodynamics: A brief review

Receipt and verification

First computed	2026-07-05T07:00:44.106280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22b2106cd19747be8011447a7987719bde8ef05a2830bd3cf823456b3e99a0e

Aliases

arxiv: 2303.13105 · arxiv_version: 2303.13105v1 · doi: 10.48550/arxiv.2303.13105 · pith_short_12: 2IVSCBWNDF2H · pith_short_16: 2IVSCBWNDF2HX2AB · pith_short_8: 2IVSCBWN

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/2IVSCBWNDF2HX2ABCRD2PGDXDG \
  | 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: d22b2106cd19747be8011447a7987719bde8ef05a2830bd3cf823456b3e99a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b2df79b46f0941f801e42bc520b68e3d52dcc9ce702202a13737d112c78a94",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-03-23T08:44:19Z",
    "title_canon_sha256": "a59a08bea63a2f8ea9eeb128b354050fb87fd9f187ada271f69b456802f27f43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13105",
    "kind": "arxiv",
    "version": 1
  }
}