Pith Number

pith:FA4VELFF

pith:2009:FA4VELFFPLM2WYIFFBBA5MKAZC

not attested not anchored not stored refs pending

An analytic parameterization of self-gravity wakes in Saturn's rings, with application to occultations and propellers

Carolyn C. Porco, Derek C. Richardson, John W. Weiss, Joseph A. Burns, Matthew M. Hedman, Matthew S. Tiscareno, Randall P. Perrine

arxiv:0911.3161 v1 · 2009-11-16 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA4VELFFPLM2WYIFFBBA5MKAZC}

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	2026-05-18T03:32:57.568422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2839522ca57ad9ab610528420eb140c89dc690b29d20e362f4d5565bf370fa1f

Aliases

arxiv: 0911.3161 · arxiv_version: 0911.3161v1 · doi: 10.48550/arxiv.0911.3161 · pith_short_12: FA4VELFFPLM2 · pith_short_16: FA4VELFFPLM2WYIF · pith_short_8: FA4VELFF

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/FA4VELFFPLM2WYIFFBBA5MKAZC \
  | 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: 2839522ca57ad9ab610528420eb140c89dc690b29d20e362f4d5565bf370fa1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec338a331d86d3bbda1f91ab81dfab2f291586decb563282dc95b7b308bec0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-11-16T21:18:31Z",
    "title_canon_sha256": "015f812d7d4512192bb26be742c7c63ebe15e3e230b37c1a224bc46db1cc10ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3161",
    "kind": "arxiv",
    "version": 1
  }
}