Pith Number

pith:SPJBYEDG

pith:2007:SPJBYEDG2MSOJP5JJVV6VZNEN5

not attested not anchored not stored refs pending

A New Planet Around an M Dwarf: Revealing a Correlation Between Exoplanets and Stellar Mass

Debra A. Fischer, Geoffrey W. Marcy, Jason T. Wright, John A. Johnson, Kathryn M. G. Peek, R. Paul Butler, Steven S. Vogt

arxiv:0707.2409 v1 · 2007-07-16 · 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{SPJBYEDG2MSOJP5JJVV6VZNEN5}

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.

Cited by

2 papers in Pith

The Pan-Pacific Planet Search -- IX. A menagerie of companions orbiting evolved stars

The Natural History of 'Oumuamua

Receipt and verification

First computed	2026-07-04T17:04:43.010602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d21c1066d324e4bfa94d6beae5a46f4e90e2216ab6645a969396820c822d36

Aliases

arxiv: 0707.2409 · arxiv_version: 0707.2409v1 · doi: 10.48550/arxiv.0707.2409 · pith_short_12: SPJBYEDG2MSO · pith_short_16: SPJBYEDG2MSOJP5J · pith_short_8: SPJBYEDG

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/SPJBYEDG2MSOJP5JJVV6VZNEN5 \
  | 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: 93d21c1066d324e4bfa94d6beae5a46f4e90e2216ab6645a969396820c822d36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e935b563e3f6f2b2dbf78a7a248940fe65dc3838478098368cd65e3d88d30a91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-16T23:26:25Z",
    "title_canon_sha256": "feebabacbba5bf45e95fcea325ff380939fe3f7f26552d155acfd0f83e1e5873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2409",
    "kind": "arxiv",
    "version": 1
  }
}