Pith Number

pith:32XZDURV

pith:2021:32XZDURVWK5JUC3J45ZJ4ILFX6

not attested not anchored not stored refs pending

Entropy of Reissner-Nordstr\"om-like black holes

Branislav Cvetkovi\'c, Milutin Blagojevi\'c

arxiv:2112.02099 v2 · 2021-12-02 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32XZDURVWK5JUC3J45ZJ4ILFX6}

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	2026-07-05T03:58:05.321545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deaf91d235b2ba9a0b69e7729e2165bfb310c2b1d2fb35b842398659c549ef39

Aliases

arxiv: 2112.02099 · arxiv_version: 2112.02099v2 · doi: 10.48550/arxiv.2112.02099 · pith_short_12: 32XZDURVWK5J · pith_short_16: 32XZDURVWK5JUC3J · pith_short_8: 32XZDURV

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/32XZDURVWK5JUC3J45ZJ4ILFX6 \
  | 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: deaf91d235b2ba9a0b69e7729e2165bfb310c2b1d2fb35b842398659c549ef39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ec9fed289e81ae5ad6569759b8dce109ba1845a5af8dd13bf7e12818f67a49",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-12-02T22:16:49Z",
    "title_canon_sha256": "8dc5452cc3e168750a8f6ad8ac19581e65c020dfe0d3a16f2d430929711facd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02099",
    "kind": "arxiv",
    "version": 2
  }
}