Pith Number

pith:6WYYIQDH

pith:1999:6WYYIQDHS5UV74Q4BEZZ3KILIN

not attested not anchored not stored refs pending

Peculiar Velocities of Nonlinear Structure: Voids in McVittie Spacetime

Kyoto U.), Nobuyuki Sakai (YITP, Paul Haines (Dartmouth College)

arxiv:astro-ph/9909183 v2 · 1999-09-10 · astro-ph · 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{6WYYIQDHS5UV74Q4BEZZ3KILIN}

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	2026-05-18T01:07:36.058851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5b184406797695ff21c09339da90b43404766deff482cd2266731a3f135b1f7

Aliases

arxiv: astro-ph/9909183 · arxiv_version: astro-ph/9909183v2 · doi: 10.48550/arxiv.astro-ph/9909183 · pith_short_12: 6WYYIQDHS5UV · pith_short_16: 6WYYIQDHS5UV74Q4 · pith_short_8: 6WYYIQDH

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/6WYYIQDHS5UV74Q4BEZZ3KILIN \
  | 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: f5b184406797695ff21c09339da90b43404766deff482cd2266731a3f135b1f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c195d2bd186a6c3f66d6eb1b7a24cffd7ac1833d48859b04a3ebde68073eef25",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-10T15:57:22Z",
    "title_canon_sha256": "5bf9de4af1630391f8a9fa1f75b1b36ae95ebf39a54c50056b4061552c29653f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909183",
    "kind": "arxiv",
    "version": 2
  }
}