Pith Number

pith:WWB3I6CM

pith:2009:WWB3I6CMF3PTMHRGYFJIT5VOPF

not attested not anchored not stored refs pending

The HARPS search for southern extra-solar planets. XX. Planets around the active star BD-08:2823

A. Lecavelier des Etangs, C. Lovis, C. Moutou, D. Ehrenreich, D. Naef, D. Queloz, D. Segransan, F. Bouchy, F. Pepe, G. Hebrard, G. Lo Curto, M. Mayor, N. C. Santos, N. Robichon, S. Udry, W. Benz

arxiv:0912.3202 v1 · 2009-12-16 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWB3I6CMF3PTMHRGYFJIT5VOPF}

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	2026-05-18T02:10:16.436714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b583b4784c2edf361e26c15289f6ae7978786db75f0cb4a36e67c583cb579264

Aliases

arxiv: 0912.3202 · arxiv_version: 0912.3202v1 · doi: 10.48550/arxiv.0912.3202 · pith_short_12: WWB3I6CMF3PT · pith_short_16: WWB3I6CMF3PTMHRG · pith_short_8: WWB3I6CM

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/WWB3I6CMF3PTMHRGYFJIT5VOPF \
  | 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: b583b4784c2edf361e26c15289f6ae7978786db75f0cb4a36e67c583cb579264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa803bc245f14fe0dea70c38b1682fc1c73e07c5e7ecdd1608e753ae5155626c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-16T17:15:40Z",
    "title_canon_sha256": "d882a31649769cdcc866dc3a910407dc568feffefba97b094fdb425a3e9d68d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3202",
    "kind": "arxiv",
    "version": 1
  }
}