Pith Number

pith:GEC7WYW4

pith:2001:GEC7WYW4PB3QYEKCTSOJJGTBKQ

not attested not anchored not stored refs pending

Radial Velocities for 889 Late-type Stars

2), (2) University of California Berkeley Department of Astronomy, (3) Carnegie Institution of Washington Department of Terrestrial Magnetism, (4) University of California Santa Cruz Department of Astronomy), Astronomy, David L. Nidever (1), Debra A. Fischer (2), Geoffrey W. Marcy (1, R. Paul Butler (3), Steven S. Vogt (4) ((1) San Francisco State University Department of Physics

arxiv:astro-ph/0112477 v2 · 2001-12-20 · 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{GEC7WYW4PB3QYEKCTSOJJGTBKQ}

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	2026-05-18T04:23:01.274978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3105fb62dc78770c11429c9c949a61541f19d51c25b2a7379e30e47b7d3b291b

Aliases

arxiv: astro-ph/0112477 · arxiv_version: astro-ph/0112477v2 · doi: 10.48550/arxiv.astro-ph/0112477 · pith_short_12: GEC7WYW4PB3Q · pith_short_16: GEC7WYW4PB3QYEKC · pith_short_8: GEC7WYW4

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/GEC7WYW4PB3QYEKCTSOJJGTBKQ \
  | 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: 3105fb62dc78770c11429c9c949a61541f19d51c25b2a7379e30e47b7d3b291b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a887204b79710b14c7e3c617b69b79585c74a6b6f80654a01b10e82c5f90fc5c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-20T13:06:05Z",
    "title_canon_sha256": "7d08e981ab2bb81109c763806d3f077c5824e9ce11ba32c852143de3010a3366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112477",
    "kind": "arxiv",
    "version": 2
  }
}