Pith Number

pith:LKVA4VNC

pith:2007:LKVA4VNCZQW2AOMI4CW4BC2RVG

not attested not anchored not stored refs pending

New Planets around Three G Dwarfs

Alan J. Penny, Brad Carter, C. G. Tinney, Chris McCarthy, Debra Fischer, Geoffrey W. Marcy, Hugh R. A. Jones, Jeremy Bailey, Kevin Apps, R. Paul Butler, Simon J. O'Toole

arxiv:astro-ph/0702213 v1 · 2007-02-07 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKVA4VNCZQW2AOMI4CW4BC2RVG}

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	2026-05-18T04:29:06.644408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aaa0e55a2cc2da03988e0adc08b51a997b78df2f81b98cdf41e615db31e1d8c

Aliases

arxiv: astro-ph/0702213 · arxiv_version: astro-ph/0702213v1 · doi: 10.48550/arxiv.astro-ph/0702213 · pith_short_12: LKVA4VNCZQW2 · pith_short_16: LKVA4VNCZQW2AOMI · pith_short_8: LKVA4VNC

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/LKVA4VNCZQW2AOMI4CW4BC2RVG \
  | 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: 5aaa0e55a2cc2da03988e0adc08b51a997b78df2f81b98cdf41e615db31e1d8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df38f021f92bacf5c5fbbe6e81fe1a64c8078bfddebe387ae27db430eb5fe60",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-07T21:59:18Z",
    "title_canon_sha256": "4563ea11e1081d2317ee27d90e9c012811386b85e39b19e6f179cee44cc18692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702213",
    "kind": "arxiv",
    "version": 1
  }
}