Pith Number

pith:UBGGRQ4L

pith:2003:UBGGRQ4L2GS4D5LADLY7TLQMRV

not attested not anchored not stored refs pending

The fundamental definition of 'radial velocity'

Dainis Dravins (Lund Observatory, Lennart Lindegren, Sweden)

arxiv:astro-ph/0302522 v1 · 2003-02-25 · 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{UBGGRQ4L2GS4D5LADLY7TLQMRV}

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

1 paper in Pith

Gaia Exoplanet Orbits, Demographics, and Evolution Survey (GEODES): Characteristics of Three Long-Period Companions Accelerating their Host Stars

Receipt and verification

First computed	2026-05-18T04:21:41.731376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a04c68c38bd1a5c1f5601af1f9ae0c8d7e836c4033c331551a98fe7b45699c57

Aliases

arxiv: astro-ph/0302522 · arxiv_version: astro-ph/0302522v1 · doi: 10.48550/arxiv.astro-ph/0302522 · pith_short_12: UBGGRQ4L2GS4 · pith_short_16: UBGGRQ4L2GS4D5LA · pith_short_8: UBGGRQ4L

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/UBGGRQ4L2GS4D5LADLY7TLQMRV \
  | 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: a04c68c38bd1a5c1f5601af1f9ae0c8d7e836c4033c331551a98fe7b45699c57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52465406bc886c3748149d4ac28f91b770f23e6a6228dec07f8fb2fd82196f2d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-25T15:38:56Z",
    "title_canon_sha256": "2cd4568505ae84b91811d59c990fd400c799471dd5434131b0e4e5e3585220a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302522",
    "kind": "arxiv",
    "version": 1
  }
}