Pith Number

pith:MYEX6EPV

pith:2002:MYEX6EPVRY53T24BP5HYD6NZLW

not attested not anchored not stored refs pending

On the Double Planet System Around HD 83443

(2) University of California, 3), (3) San Francisco State University, (4) UCO/Lick Observatory, (5) Anglo-Australian Observatory, (6) Astrophysics Research Institute, (7) Rutherford Appleton Laboratory, (8) Physics, (9) Faculty of Sciences, Alan J. Penny (7), Astronomy, Australia), Berkeley, Brad D. Carter (9) ((1) Carnegie Institution of Washington, C. G. Tinney (5), Chris McCarthy (1), Geoffrey W. Marcy (2, Hugh R. A. Jones (6), Kevin Apps (8), Liverpool John Moores University, R. Paul Butler (1), Steven S. Vogt (4), UK, University of Southern Queensland, University of Sussex

arxiv:astro-ph/0206178 v1 · 2002-06-11 · 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{MYEX6EPVRY53T24BP5HYD6NZLW}

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	2026-05-18T04:27:05.187078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66097f11f58e3bb9eb817f4f81f9b95d8961e9d534343afa59f021f34534696e

Aliases

arxiv: astro-ph/0206178 · arxiv_version: astro-ph/0206178v1 · doi: 10.48550/arxiv.astro-ph/0206178 · pith_short_12: MYEX6EPVRY53 · pith_short_16: MYEX6EPVRY53T24B · pith_short_8: MYEX6EPV

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/MYEX6EPVRY53T24BP5HYD6NZLW \
  | 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: 66097f11f58e3bb9eb817f4f81f9b95d8961e9d534343afa59f021f34534696e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c064098f59898d5cc5a9dc6e157e1ef864d2300e09932cbec1bf3ac9f2402e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-11T21:00:07Z",
    "title_canon_sha256": "935555c192b9d9d9188c2014d6b5fa9e5cda605ef2855b5a1a8961fce366694e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206178",
    "kind": "arxiv",
    "version": 1
  }
}