Pith Number

pith:T335G65K

pith:2009:T335G65KLZGDSCB5NOKL42M5DP

not attested not anchored not stored refs pending

Dynamics of the Sharp Edges of Broad Planetary Rings

Carolyn C. Porco, Joseph M. Hahn, Joseph N. Spitale

arxiv:0904.0743 v1 · 2009-04-04 · 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{T335G65KLZGDSCB5NOKL42M5DP}

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	2026-05-18T04:29:43.777890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef7d37baa5e4c39083d6b94be699d1bd6cf6d48d8843847600bc660bbde8fc2

Aliases

arxiv: 0904.0743 · arxiv_version: 0904.0743v1 · doi: 10.48550/arxiv.0904.0743 · pith_short_12: T335G65KLZGD · pith_short_16: T335G65KLZGDSCB5 · pith_short_8: T335G65K

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/T335G65KLZGDSCB5NOKL42M5DP \
  | 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: 9ef7d37baa5e4c39083d6b94be699d1bd6cf6d48d8843847600bc660bbde8fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66cb08bd1d343b6b0a19b98c30628068fea465e2e20a41f7b977d406656b4013",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-04-04T22:32:04Z",
    "title_canon_sha256": "5253ba8ca298ccd1f106297cbc830478f940edcd413a3df49794528a0e7ddb39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0743",
    "kind": "arxiv",
    "version": 1
  }
}