Pith Number

pith:4JL7XPGU

pith:1999:4JL7XPGUX4WHCFSN3BPLRBF4NG

not attested not anchored not stored refs pending

The Lick Planet Search: Detectability and Mass Thresholds

Andrew Cumming, Geoffrey W. Marcy, R. Paul Butler

arxiv:astro-ph/9906466 v1 · 1999-06-29 · 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{4JL7XPGUX4WHCFSN3BPLRBF4NG}

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	2026-05-18T02:40:27.548233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e257fbbcd4bf2c71164dd85eb884bc6992d415287dc7c1d59d31f5ff64ef4fc5

Aliases

arxiv: astro-ph/9906466 · arxiv_version: astro-ph/9906466v1 · doi: 10.48550/arxiv.astro-ph/9906466 · pith_short_12: 4JL7XPGUX4WH · pith_short_16: 4JL7XPGUX4WHCFSN · pith_short_8: 4JL7XPGU

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/4JL7XPGUX4WHCFSN3BPLRBF4NG \
  | 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: e257fbbcd4bf2c71164dd85eb884bc6992d415287dc7c1d59d31f5ff64ef4fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80586da0635cad4d25e5ecd30262685528918a090c4989058d6bd65b5dbeb26e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-29T00:39:22Z",
    "title_canon_sha256": "27eab5fcb0c55496e27b126965c0e9a2ce216fbe39ab5084a2b6cc32beba7959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906466",
    "kind": "arxiv",
    "version": 1
  }
}