Pith Number

pith:ZWDX5ROV

pith:2011:ZWDX5ROVAALEKFYL22TS6LBTM3

not attested not anchored not stored refs pending

The Kepler-19 System: A Transiting 2.2 R_Earth Planet and a Second Planet Detected via Transit Timing Variations

Christopher Henze, Christopher J. Burke, Christopher K. Middour, Daniel Fabrycky, David Charbonneau, David G. Koch, David R. Ciardi, Eric B. Ford, Francois Fressin, Geoffrey Marcy, Guillermo Torres, Howard Isaacson, Jack J. Lissauer, Jason F. Rowe, Jason H. Steffen, Jean-Michel Desert, Jennifer R. Hall, Jessie L. Christiansen, Jie Li, Jon M. Jenkins, Martin Still, Matthew J. Holman, Michael Endl, Michael R. Haas, Natalie M. Batalha, Sarah Ballard, Sean McCauliff, Stephen T. Bryson, Steven B. Howell, William D. Cochran, William J. Borucki

arxiv:1109.1561 v1 · 2011-09-07 · 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{ZWDX5ROVAALEKFYL22TS6LBTM3}

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	2026-05-18T02:00:38.208342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd877ec5d5001645170bd6a72f2c3366ffdce3527be6ce3d19b5bc3bed480463

Aliases

arxiv: 1109.1561 · arxiv_version: 1109.1561v1 · doi: 10.48550/arxiv.1109.1561 · pith_short_12: ZWDX5ROVAALE · pith_short_16: ZWDX5ROVAALEKFYL · pith_short_8: ZWDX5ROV

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/ZWDX5ROVAALEKFYL22TS6LBTM3 \
  | 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: cd877ec5d5001645170bd6a72f2c3366ffdce3527be6ce3d19b5bc3bed480463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ccb82db02726290ae519226bb685adcd3668463bbdb2cf854390349f8eb14f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-07T20:00:19Z",
    "title_canon_sha256": "17e1b5ed84fe82c6f50dd2cb8a8e6eeda3f747647b2d05d1b6d1cdced6bf04e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1561",
    "kind": "arxiv",
    "version": 1
  }
}