Pith Number

pith:I62SSN5V

pith:2008:I62SSN5VHD6UG6PILD223XNFSK

not attested not anchored not stored refs pending

The velocity-density relation in the spherical model

Maciej Bilicki, Micha{\l} Chodorowski (Copernicus Astronomical Center)

arxiv:0809.3513 v1 · 2008-09-21 · 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{I62SSN5VHD6UG6PILD223XNFSK}

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

Closing the Observational Gap in Cosmic Dynamics: AI-Enabled Reconstruction of the Universe's Vorticity and Rotational Flow Morphology

Receipt and verification

First computed	2026-05-18T03:06:34.886713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47b52937b538fd4379e858f5addda59284a6eba38e6be33a62006e543d9e3061

Aliases

arxiv: 0809.3513 · arxiv_version: 0809.3513v1 · doi: 10.48550/arxiv.0809.3513 · pith_short_12: I62SSN5VHD6U · pith_short_16: I62SSN5VHD6UG6PI · pith_short_8: I62SSN5V

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/I62SSN5VHD6UG6PILD223XNFSK \
  | 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: 47b52937b538fd4379e858f5addda59284a6eba38e6be33a62006e543d9e3061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14bf344c65bfeac16f46c5794c1232da72f116c1df3a573c3aeeadeff80cf4e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-21T15:11:04Z",
    "title_canon_sha256": "4898071c00b90f4c5a6083ac8ac6a12e0fa699dbd263e7752bbef16692257aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3513",
    "kind": "arxiv",
    "version": 1
  }
}