Pith Number

pith:V4BT5POC

pith:2009:V4BT5POCMMR6RHXCTFRBRTDB5T

not attested not anchored not stored refs pending

A super-Earth transiting a nearby low-mass star

Christophe Lovis, Christopher J. Burke, David Charbonneau, David W. Latham, Didier Queloz, Emilio E. Falco, Francesco Pepe, Jonathan Irwin, Joshua N. Winn, Lars A. Buchhave, Matthew J. Holman, Michel Mayor, Philip Nutzman, Ruth A. Murray-Clay, Stephane Udry, Thierry Forveille, Xavier Bonfils, Xavier Delfosse, Zachory K. Berta

arxiv:0912.3229 v1 · 2009-12-16 · 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{V4BT5POCMMR6RHXCTFRBRTDB5T}

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	2026-05-18T02:10:16.331190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af033ebdc26323e89ee2996218cc61eccda58b50a3d17f2743930737c2851171

Aliases

arxiv: 0912.3229 · arxiv_version: 0912.3229v1 · doi: 10.48550/arxiv.0912.3229 · pith_short_12: V4BT5POCMMR6 · pith_short_16: V4BT5POCMMR6RHXC · pith_short_8: V4BT5POC

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/V4BT5POCMMR6RHXCTFRBRTDB5T \
  | 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: af033ebdc26323e89ee2996218cc61eccda58b50a3d17f2743930737c2851171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b390fa5a4dbed56b4ea45442603d130d45cfe14865dcef88e7a4ad59483089c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-16T19:01:53Z",
    "title_canon_sha256": "d426959dc266e8b49806e93733652beae8275e96af5065c6ba4d25d82373f9d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3229",
    "kind": "arxiv",
    "version": 1
  }
}