Pith Number

pith:YJ2HVV7S

pith:2009:YJ2HVV7SQ5XFXU7SJGPHWLLHME

not attested not anchored not stored refs pending

A Super-Earth and two Neptunes Orbiting the Nearby Sun-like star 61 Virginis

Brad D. Carter, C. G. Tinney, Eugenio J. Rivera, Gregory Laughlin, Gregory W. Henry, Hugh R. A. Jones, Jeremy Bailey, Konstantin Batygin, Robert A. Wittenmyer, R. Paul Butler, Simon O'Toole, Stefano Meschiari, Steven S. Vogt

arxiv:0912.2599 v1 · 2009-12-14 · 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{YJ2HVV7SQ5XFXU7SJGPHWLLHME}

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	2026-05-18T02:33:56.636574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2747ad7f2876e5bd3f2499e7b2d676103d82b404b007ccd0578f3d96be35624

Aliases

arxiv: 0912.2599 · arxiv_version: 0912.2599v1 · doi: 10.48550/arxiv.0912.2599 · pith_short_12: YJ2HVV7SQ5XF · pith_short_16: YJ2HVV7SQ5XFXU7S · pith_short_8: YJ2HVV7S

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/YJ2HVV7SQ5XFXU7SJGPHWLLHME \
  | 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: c2747ad7f2876e5bd3f2499e7b2d676103d82b404b007ccd0578f3d96be35624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d6870fda817d5ec49703d6c238f882419aabe8de3a1a1615759097d5bb7f19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-14T09:43:06Z",
    "title_canon_sha256": "e534ea238c35ef6b40f301997cfb424d109918dd09e9edc803315b5f25ded6cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2599",
    "kind": "arxiv",
    "version": 1
  }
}