Pith Number

pith:4DPTHPDD

pith:1998:4DPTHPDDPXWKFE2LCW6R6AT5RN

not attested not anchored not stored refs pending

Velocity Field Statistics and Tessellation Techniques: Unbiased Estimators of $\Omega$

C.E. de Saclay), Rien van de Weygaert (Kapteyn Institute, University of Groningen) & Francis Bernardeau (Service de Physique Th\'eorique

arxiv:astro-ph/9803143 v1 · 1998-03-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DPTHPDDPXWKFE2LCW6R6AT5RN}

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.

Cited by

1 paper in Pith

Improved recipes for peculiar velocity power spectra using Evolution Mapping

Receipt and verification

First computed	2026-07-04T14:15:43.412908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0df33bc637deca2934b15bd1f027d8b4155dc06c51a9098319c41903370fc69

Aliases

arxiv: astro-ph/9803143 · arxiv_version: astro-ph/9803143v1 · doi: 10.48550/arxiv.astro-ph/9803143 · pith_short_12: 4DPTHPDDPXWK · pith_short_16: 4DPTHPDDPXWKFE2L · pith_short_8: 4DPTHPDD

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/4DPTHPDDPXWKFE2LCW6R6AT5RN \
  | 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: e0df33bc637deca2934b15bd1f027d8b4155dc06c51a9098319c41903370fc69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "937cda869a00e7f453ffdb9f7c98d3f66fd904d689aa9657097027010bb291de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-12T17:24:36Z",
    "title_canon_sha256": "d1defdf66b8e87895b34689ab9ab2fe08d86fa2077f087987700016f171c7e4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803143",
    "kind": "arxiv",
    "version": 1
  }
}