Pith Number

pith:7GUOFQOW

pith:2024:7GUOFQOW477DPIUDUMWZUZ4OJ7

not attested not anchored not stored refs pending

The HD 191939 Exoplanet System is Well-Aligned and Flat

Aaron Householder, Abby P. Shaum, Andrew W. Howard, Arpita Roy, Bradford Holden, Christian Schwab, Corey Beard, Erik A. Petigura, Fei Dai, Grant M. Hill, Gudmundur Stefansson, Howard Isaacson, Jack Lubin, Jacob Luhn, Joel Payne, Joshua N. Winn, Josh Walawender, Judah Van Zandt, Kyle Lanclos, Max Brodheim, Paul Robertson, Rae Holcomb, Roger Smith, Russ R. Laher, Ryan A. Rubenzahl, Samuel Halverson, Steven R. Gibson, William Deich

arxiv:2409.06795 v1 · 2024-09-10 · 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{7GUOFQOW477DPIUDUMWZUZ4OJ7}

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	2026-07-05T09:05:41.321655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a8e2c1d6e7fe37a283a32d9a678e4fe6e03c3d02d57ab7cad9311300e01142

Aliases

arxiv: 2409.06795 · arxiv_version: 2409.06795v1 · doi: 10.48550/arxiv.2409.06795 · pith_short_12: 7GUOFQOW477D · pith_short_16: 7GUOFQOW477DPIUD · pith_short_8: 7GUOFQOW

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/7GUOFQOW477DPIUDUMWZUZ4OJ7 \
  | 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: f9a8e2c1d6e7fe37a283a32d9a678e4fe6e03c3d02d57ab7cad9311300e01142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0bfef9f422330d105bdb4573c7a6f0c392f327d4ab9713e81c6ed017d687d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-09-10T18:05:09Z",
    "title_canon_sha256": "cab9168e85fdc77670cfe02df8548752e34c96b5505fc2a8a9d67436feb03825"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.06795",
    "kind": "arxiv",
    "version": 1
  }
}