Pith Number

pith:P63R2HGJ

pith:2013:P63R2HGJXMNUOIJZJIQZMCQAPE

not attested not anchored not stored refs pending

High Angular Resolution Stellar Imaging with Occultations from the Cassini Spacecraft I: Observational Technique

James P. Lloyd, Matthew M. Hedman, Paul N. Stewart, Peter G. Tuthill, Philip D. Nicholson

arxiv:1305.4617 v1 · 2013-05-20 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P63R2HGJXMNUOIJZJIQZMCQAPE}

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	2026-05-18T03:20:20.244060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fb71d1cc9bb1b4721394a21960a00792263f298c3ede94a0e36dab050fc7969

Aliases

arxiv: 1305.4617 · arxiv_version: 1305.4617v1 · doi: 10.48550/arxiv.1305.4617 · pith_short_12: P63R2HGJXMNU · pith_short_16: P63R2HGJXMNUOIJZ · pith_short_8: P63R2HGJ

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/P63R2HGJXMNUOIJZJIQZMCQAPE \
  | 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: 7fb71d1cc9bb1b4721394a21960a00792263f298c3ede94a0e36dab050fc7969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b853a4da3525e36e4d3e7e3c786a7d113a38606a06d4482304c4a3967792ceb",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-20T19:38:23Z",
    "title_canon_sha256": "803bd4bdedd46b022f7a8a8d336856e366fd963202020b095a8f9de44fc97279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4617",
    "kind": "arxiv",
    "version": 1
  }
}