Pith Number

pith:ZA7O4DLD

pith:2000:ZA7O4DLD746DIQX7QBWVW54JWY

not attested not anchored not stored refs pending

Dynamical friction of bodies orbiting in a gaseous sphere

F. J. Sanchez-Salcedo & A. Brandenburg

arxiv:astro-ph/0010003 v1 · 2000-09-30 · 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{ZA7O4DLD746DIQX7QBWVW54JWY}

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

Dynamical friction in ultralight dark matter: Plummer sphere perspective

Receipt and verification

First computed	2026-07-04T16:17:13.414337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83eee0d63ff3c3442ff806d5b7789b6125a96538f09fd6159c505c3ced1740d

Aliases

arxiv: astro-ph/0010003 · arxiv_version: astro-ph/0010003v1 · doi: 10.48550/arxiv.astro-ph/0010003 · pith_short_12: ZA7O4DLD746D · pith_short_16: ZA7O4DLD746DIQX7 · pith_short_8: ZA7O4DLD

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/ZA7O4DLD746DIQX7QBWVW54JWY \
  | 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: c83eee0d63ff3c3442ff806d5b7789b6125a96538f09fd6159c505c3ced1740d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da324d2368692dc744d9d9507fab4c6620c9866dcb43107f524a52194a2f2b66",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-30T05:50:20Z",
    "title_canon_sha256": "6f6ca4720e24a6dd91295ef02ac93c6352a1bb5d1e3449197ca9faa12b55f254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010003",
    "kind": "arxiv",
    "version": 1
  }
}