Pith Number

pith:EE3JCIXP

pith:2013:EE3JCIXP7FLLG23PDZQ66X5WTM

not attested not anchored not stored refs pending

100-year DASCH Light Curves of Kepler Planet-Candidate Host Stars

Dimitar Sasselov, Edward Los, Jonathan Grindlay, Mathieu Servillat, Sumin Tang

arxiv:1304.7503 v2 · 2013-04-28 · 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{EE3JCIXP7FLLG23PDZQ66X5WTM}

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	2026-05-18T01:50:14.895085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21369122eff956b36b6f1e61ef5fb69b3f88e975c81f3f52020ee50fa9cd9780

Aliases

arxiv: 1304.7503 · arxiv_version: 1304.7503v2 · doi: 10.48550/arxiv.1304.7503 · pith_short_12: EE3JCIXP7FLL · pith_short_16: EE3JCIXP7FLLG23P · pith_short_8: EE3JCIXP

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/EE3JCIXP7FLLG23PDZQ66X5WTM \
  | 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: 21369122eff956b36b6f1e61ef5fb69b3f88e975c81f3f52020ee50fa9cd9780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb5f54fa3628f529f2ef812fd18940f334ce83daa66d8f34945f7ba233ff5a9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-04-28T19:20:52Z",
    "title_canon_sha256": "ebe0ad39cd5aa63c4db308de775aac8f2af5102bebac965b52aeaf0bec15683d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7503",
    "kind": "arxiv",
    "version": 2
  }
}