Pith Number

pith:BTS72B3O

pith:2009:BTS72B3OXAZ3POV4PK6LYKAE4R

not attested not anchored not stored refs pending

A Third Exoplanetary System with Misaligned Orbital and Stellar Spin Axes

Andrew W. Howard, Geoffrey W. Marcy, John A. Johnson, Joshua N. Winn, J. Zachary Gazak, Simon Albrecht

arxiv:0907.5204 v1 · 2009-07-30 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTS72B3OXAZ3POV4PK6LYKAE4R}

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	2026-05-18T02:12:46.378943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce5fd076eb833b7babc7abcbc2804e440803270c26f5ee870440d2fa4608759

Aliases

arxiv: 0907.5204 · arxiv_version: 0907.5204v1 · doi: 10.48550/arxiv.0907.5204 · pith_short_12: BTS72B3OXAZ3 · pith_short_16: BTS72B3OXAZ3POV4 · pith_short_8: BTS72B3O

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/BTS72B3OXAZ3POV4PK6LYKAE4R \
  | 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: 0ce5fd076eb833b7babc7abcbc2804e440803270c26f5ee870440d2fa4608759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fcdee76b697c08ec0884b61a437e6b4145f582b481150518de5b4f4401ba083",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-07-30T03:18:30Z",
    "title_canon_sha256": "216e68c6873476090c65f1724bee9b62c5e83dd35a1f7aa5fc0e2527d92a2487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5204",
    "kind": "arxiv",
    "version": 1
  }
}