Pith Number

pith:EVPPWUW4

pith:2000:EVPPWUW43T7OLKJTGFNKKT3Z3Z

not attested not anchored not stored refs pending

First Results from the Anglo-Australian Planet Search - A Brown Dwarf Candidate and a 51 Peg-like Planet

Alan J. Penny, C.G. Tinney, Geoffrey W. Marcy, Gregory.W. Henry, Hugh R.A. Jones, Kevin Apps, R. Paul Butler, Steven S. Vogt

arxiv:astro-ph/0012204 v1 · 2000-12-10 · 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{EVPPWUW43T7OLKJTGFNKKT3Z3Z}

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	2026-05-18T04:27:05.522713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

255efb52dcdcfee5a933315aa54f79de429b63cd184f7c17e96187f10b706b56

Aliases

arxiv: astro-ph/0012204 · arxiv_version: astro-ph/0012204v1 · doi: 10.48550/arxiv.astro-ph/0012204 · pith_short_12: EVPPWUW43T7O · pith_short_16: EVPPWUW43T7OLKJT · pith_short_8: EVPPWUW4

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/EVPPWUW43T7OLKJTGFNKKT3Z3Z \
  | 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: 255efb52dcdcfee5a933315aa54f79de429b63cd184f7c17e96187f10b706b56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d64fb303dd705f5073138638a69166fa82c618ccf789079f8db73169e7f8da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-10T06:08:29Z",
    "title_canon_sha256": "3d9dad76054d318c4e67d2e6029503744698ac40843573d81f5d43638e12adbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012204",
    "kind": "arxiv",
    "version": 1
  }
}