Pith Number

pith:P4HBA3CJ

pith:2005:P4HBA3CJX6Y3BWMNTA5UDOBCGE

not attested not anchored not stored refs pending

The possibility of detecting planets in the Andromeda Galaxy

(2) Liverpool John Moores University, (3)Korea Astronomy, (4) OSU), A. Gould (4), A. Newsam (2), B.-G. Park (3) ((1) Chungbuk Natl. Univ., C. Han (1), D. Kim (1) The Angstrom Collaboration: M.J. Darnley (2), E. Kerins (2), J.P. Duke (2), Korea, S.-J. Chung (1), Space Science Institute, Y.-B. Jeon (3)

arxiv:astro-ph/0509622 v1 · 2005-09-21 · 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{P4HBA3CJX6Y3BWMNTA5UDOBCGE}

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	2026-05-18T03:47:43.351849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0e106c49bfb1b0d98d983b41b8223118530fff202464c378ad4ba40c7a4c8c

Aliases

arxiv: astro-ph/0509622 · arxiv_version: astro-ph/0509622v1 · doi: 10.48550/arxiv.astro-ph/0509622 · pith_short_12: P4HBA3CJX6Y3 · pith_short_16: P4HBA3CJX6Y3BWMN · pith_short_8: P4HBA3CJ

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/P4HBA3CJX6Y3BWMNTA5UDOBCGE \
  | 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: 7f0e106c49bfb1b0d98d983b41b8223118530fff202464c378ad4ba40c7a4c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3808a7e09eb37b94724bc3a8652d436980987784a4f6cb72938a20191097d885",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-21T09:30:53Z",
    "title_canon_sha256": "c07a0d5fedbaadb0d4fa9548406626dccdf6e923031a064291112ea2389cd9f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509622",
    "kind": "arxiv",
    "version": 1
  }
}