Pith Number

pith:5YBNLOQX

pith:2010:5YBNLOQXQPP56A4CGAOTR44AYT

not attested not anchored not stored refs pending

Characterizing the Variability of Stars with Early-Release Kepler Data

David R. Ciardi, Geoff Bryden, John R. Stauffer, Julian van Eyken, Kaspar von Braun, Peter Plavchan, Solange V. Ramirez, Stephen R. Kane, Steve B. Howell

arxiv:1009.1840 v2 · 2010-09-09 · 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{5YBNLOQXQPP56A4CGAOTR44AYT}

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	2026-05-18T02:05:32.527843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee02d5ba1783dfdf0382301d38f380c4ed706e62c40373d214db5aa6cf8ace02

Aliases

arxiv: 1009.1840 · arxiv_version: 1009.1840v2 · doi: 10.48550/arxiv.1009.1840 · pith_short_12: 5YBNLOQXQPP5 · pith_short_16: 5YBNLOQXQPP56A4C · pith_short_8: 5YBNLOQX

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/5YBNLOQXQPP56A4CGAOTR44AYT \
  | 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: ee02d5ba1783dfdf0382301d38f380c4ed706e62c40373d214db5aa6cf8ace02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9768684e8c233c453a6cd0c8b67efeb9b24af0b3bcbfc0078cf7571aa8dcc6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-09-09T18:13:48Z",
    "title_canon_sha256": "7cd1837a4d7f0c2fb069de9ab79cba73c93f2dc452ab38aae8e027338b557d25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1840",
    "kind": "arxiv",
    "version": 2
  }
}