Pith Number

pith:W2Z4O5XR

pith:2015:W2Z4O5XRQJOVWQRLRX5QZ4M4MF

not attested not anchored not stored refs pending

Secure TTV Mass Measurements: Ten Kepler Exoplanets between 3 and 8 Earth Masses with Diverse Densities and Incident Fluxes

Christa Van Laerhoven, Daniel C. Fabrycky, Daniel Jontof-Hutter, Eric Agol, Eric B. Ford, Jack J. Lissauer, Jason F. Rowe, Katherine M. Deck, Tomer Holczer, Tsevi Mazeh

arxiv:1512.02003 v2 · 2015-12-07 · 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{W2Z4O5XRQJOVWQRLRX5QZ4M4MF}

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	2026-05-18T01:18:49.019153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b3c776f1825d5b422b8dfb0cf19c615d23a30fba77e943977571f1601fa8c0

Aliases

arxiv: 1512.02003 · arxiv_version: 1512.02003v2 · doi: 10.48550/arxiv.1512.02003 · pith_short_12: W2Z4O5XRQJOV · pith_short_16: W2Z4O5XRQJOVWQRL · pith_short_8: W2Z4O5XR

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/W2Z4O5XRQJOVWQRLRX5QZ4M4MF \
  | 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: b6b3c776f1825d5b422b8dfb0cf19c615d23a30fba77e943977571f1601fa8c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a012479862b1f531079911708c070f92309590084fa934a522c8d11148002097",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-12-07T12:01:26Z",
    "title_canon_sha256": "33d26d6afd33b735fa9fc2889d8423fce0ca9fcdcc07ac97722bc49e7c8fb8a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02003",
    "kind": "arxiv",
    "version": 2
  }
}