Pith Number

pith:3ACZCDVK

pith:2013:3ACZCDVKCYKJNN4GJKIBETLLNJ

not attested not anchored not stored refs pending

All Six Planets Known to Orbit Kepler-11 Have Low Densities

Daniel C. Fabrycky, Daniel Jontof-Hutter, Debra A. Fischer, Dimitar Sasselov, Donald R. Short, Eric Agol, Eric D. Lopez, Geoffrey W. Marcy, Howard Isaacson, Jack J. Lissauer, Jason F. Rowe, Jonathan J. Fortney, Jon M. Jenkins, Katherine M. Deck, Rea Kolbl, Steve B. Howell, William F. Welsh

arxiv:1303.0227 v2 · 2013-03-01 · 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{3ACZCDVKCYKJNN4GJKIBETLLNJ}

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	2026-05-18T03:20:58.375050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d805910eaa161496b7864a90124d6b6a5b2dbc36fc41ffa830f1496aeb057c44

Aliases

arxiv: 1303.0227 · arxiv_version: 1303.0227v2 · doi: 10.48550/arxiv.1303.0227 · pith_short_12: 3ACZCDVKCYKJ · pith_short_16: 3ACZCDVKCYKJNN4G · pith_short_8: 3ACZCDVK

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/3ACZCDVKCYKJNN4GJKIBETLLNJ \
  | 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: d805910eaa161496b7864a90124d6b6a5b2dbc36fc41ffa830f1496aeb057c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00ada687a40586764b0362ac8e3fbb4d3dc1ffb4d1cfd3c5edee8419d481243b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-03-01T17:07:46Z",
    "title_canon_sha256": "e69e54763fac56166c25b45d4632e8f047a460f782d9b4df5295454447a1e1a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0227",
    "kind": "arxiv",
    "version": 2
  }
}