Pith Number

pith:LWQMMK5Z

pith:2009:LWQMMK5ZRYSW2RXEXO6E27ANXL

not attested not anchored not stored refs pending

HAT-P-7: A Retrograde or Polar Orbit, and a Third Body

Andrew W. Howard, Geoffrey W. Marcy, Ian J. Crossfield, John Asher Johnson, Joshua N. Winn, Matthew J. Holman, Simon Albrecht

arxiv:0908.1672 v2 · 2009-08-12 · 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{LWQMMK5ZRYSW2RXEXO6E27ANXL}

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	2026-05-18T02:12:35.099078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da0c62bb98e256d46e4bbbc4d7c0dbaef648672de3091d9722ddccc0a0c3d41

Aliases

arxiv: 0908.1672 · arxiv_version: 0908.1672v2 · doi: 10.48550/arxiv.0908.1672 · pith_short_12: LWQMMK5ZRYSW · pith_short_16: LWQMMK5ZRYSW2RXE · pith_short_8: LWQMMK5Z

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/LWQMMK5ZRYSW2RXEXO6E27ANXL \
  | 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: 5da0c62bb98e256d46e4bbbc4d7c0dbaef648672de3091d9722ddccc0a0c3d41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5da3b1e6800239b3da325e5bd8dbe8faf1ee3d78d4cd5e7ca610c4655ca9aea0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-12T10:44:57Z",
    "title_canon_sha256": "a5b24d86e7d39f706c1224d7677e052aa757428f67b265a7899977ab9e14725b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1672",
    "kind": "arxiv",
    "version": 2
  }
}