Pith Number

pith:KT2GW4VU

pith:2015:KT2GW4VUKNZQF6IBM2SDE3IZSW

not attested not anchored not stored refs pending

Entropy of an extremal electrically charged thin shell and the extremal black hole

Gon\c{c}alo M. Quinta, Jos\'e P. S. Lemos, Oleg B. Zaslavskii

arxiv:1505.05875 v2 · 2015-05-21 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KT2GW4VUKNZQF6IBM2SDE3IZSW}

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	2026-05-18T01:30:24.361076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54f46b72b4537302f90166a4326d1995866d2c38a79b1b65863eeda3c1294f9a

Aliases

arxiv: 1505.05875 · arxiv_version: 1505.05875v2 · doi: 10.48550/arxiv.1505.05875 · pith_short_12: KT2GW4VUKNZQ · pith_short_16: KT2GW4VUKNZQF6IB · pith_short_8: KT2GW4VU

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/KT2GW4VUKNZQF6IBM2SDE3IZSW \
  | 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: 54f46b72b4537302f90166a4326d1995866d2c38a79b1b65863eeda3c1294f9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a5a5a2701da0cb1082572eac8fb6151b521735f253b80980007f593b2dff44",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-05-21T20:00:12Z",
    "title_canon_sha256": "d48693ab95ffa0bbd83da56712e708521b79d7aa79c0aa0b5bb3e57c9f2ccdd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05875",
    "kind": "arxiv",
    "version": 2
  }
}