Pith Number

pith:DWM4E5FH

pith:2017:DWM4E5FHOLGKSOTYXTX7YQHBP3

not attested not anchored not stored refs pending

Schwarzschild-de Sitter Spacetimes, McVittie Coordinates, and Trumpet Geometries

Kenneth A. Dennison, Thomas W. Baumgarte

arxiv:1710.07373 v2 · 2017-10-19 · 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{DWM4E5FHOLGKSOTYXTX7YQHBP3}

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	2026-05-18T00:27:42.479540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d99c274a772cca93a78bceffc40e17ee369d31fad3cd10390ad5f7f88ea7182

Aliases

arxiv: 1710.07373 · arxiv_version: 1710.07373v2 · doi: 10.48550/arxiv.1710.07373 · pith_short_12: DWM4E5FHOLGK · pith_short_16: DWM4E5FHOLGKSOTY · pith_short_8: DWM4E5FH

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/DWM4E5FHOLGKSOTYXTX7YQHBP3 \
  | 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: 1d99c274a772cca93a78bceffc40e17ee369d31fad3cd10390ad5f7f88ea7182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e034520b0c8a7702d19c2f5ee487244057952eed7d80faf41141299998f34c00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-19T23:43:58Z",
    "title_canon_sha256": "34abc85b4b84732a8cc033f025e9e6176117d200efce220d258b8b768be6dcc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07373",
    "kind": "arxiv",
    "version": 2
  }
}