Pith Number

pith:PEWJFUER

pith:2019:PEWJFUERJJKBDJAJPH7VJHR7DV

not attested not anchored not stored refs pending

Global Hawking Temperature of Schwarzschild-de Sitter Spacetime: a Topological Approach

Charles W. Robson, Fabio Biancalana, Leone Di Mauro Villari

arxiv:1902.02547 v1 · 2019-02-07 · 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{PEWJFUERJJKBDJAJPH7VJHR7DV}

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	2026-05-17T23:54:32.931837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792c92d0914a5411a40979ff549e3f1d46d8dc16e052d3c51ab0c35c14ce60dc

Aliases

arxiv: 1902.02547 · arxiv_version: 1902.02547v1 · doi: 10.48550/arxiv.1902.02547 · pith_short_12: PEWJFUERJJKB · pith_short_16: PEWJFUERJJKBDJAJ · pith_short_8: PEWJFUER

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/PEWJFUERJJKBDJAJPH7VJHR7DV \
  | 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: 792c92d0914a5411a40979ff549e3f1d46d8dc16e052d3c51ab0c35c14ce60dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cdbd4bdd10e89b843c98b799e2c5768883033bea9ba3d95d024a208af15116f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-07T10:06:09Z",
    "title_canon_sha256": "50afbbb914b4e0383316624df95c3c9edf9baa5fe8d49b8a2de7c65a5db32de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02547",
    "kind": "arxiv",
    "version": 1
  }
}