Pith Number

pith:LBKREIY2

pith:2011:LBKREIY2J5J6GWIDJ4DDBH5CTI

not attested not anchored not stored refs pending

Kepler Exoplanet Candidate Host Stars are Preferentially Metal Rich

Gregory Laughlin, Kevin C. Schlaufman

arxiv:1106.6043 v1 · 2011-06-29 · 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{LBKREIY2J5J6GWIDJ4DDBH5CTI}

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	2026-05-18T02:01:26.817858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

585512231a4f53e359034f06309fa29a2bd91222d5e2ccae9b27cb8f7a82b17b

Aliases

arxiv: 1106.6043 · arxiv_version: 1106.6043v1 · doi: 10.48550/arxiv.1106.6043 · pith_short_12: LBKREIY2J5J6 · pith_short_16: LBKREIY2J5J6GWID · pith_short_8: LBKREIY2

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/LBKREIY2J5J6GWIDJ4DDBH5CTI \
  | 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: 585512231a4f53e359034f06309fa29a2bd91222d5e2ccae9b27cb8f7a82b17b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be4161f3dbe43dad6514c0c626a13a67335b68c4cc43630b3cd314910975ef1b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-06-29T20:00:02Z",
    "title_canon_sha256": "33d7735dde2bf9fdba0131a5471d6af812d6526532e8cbeb2e23ba6baf497485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.6043",
    "kind": "arxiv",
    "version": 1
  }
}