Pith Number

pith:YMFE4AO2

pith:2012:YMFE4AO2BS5CMDWKXPFVRQEJAO

not attested not anchored not stored refs pending

Regolith grain sizes of Saturn's rings inferred from Cassini-CIRS far-infrared spectra

Linda Spilker, Ryuji Morishima, Scott G. Edgington

arxiv:1209.3799 v1 · 2012-09-17 · 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{YMFE4AO2BS5CMDWKXPFVRQEJAO}

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	2026-05-18T01:54:27.146923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c30a4e01da0cba260ecabbcb58c08903a8905d760cecff6fea56661990d02493

Aliases

arxiv: 1209.3799 · arxiv_version: 1209.3799v1 · doi: 10.48550/arxiv.1209.3799 · pith_short_12: YMFE4AO2BS5C · pith_short_16: YMFE4AO2BS5CMDWK · pith_short_8: YMFE4AO2

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/YMFE4AO2BS5CMDWKXPFVRQEJAO \
  | 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: c30a4e01da0cba260ecabbcb58c08903a8905d760cecff6fea56661990d02493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1c10c9c139e1d8b90e1fd764cad73058a6d96a80e4d3e4e2072aa1ac7cb77f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-09-17T21:07:26Z",
    "title_canon_sha256": "1b12041f6bf3a4d58ace520e99b9eb2de1a951121d1116000fac6b225cb3954d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3799",
    "kind": "arxiv",
    "version": 1
  }
}