Pith Number

pith:GU5N2K53

pith:2005:GU5N2K536ONCGOCF5HYUB4F37M

not attested not anchored not stored refs pending

The Anisotropic Distribution of M 31 Satellite Galaxies: A Polar Great Plane of Early-Type Companions

A. Koch, E.K. Grebel (Astronomical Institute of the University of Basel)

arxiv:astro-ph/0509258 v2 · 2005-09-09 · 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{GU5N2K536ONCGOCF5HYUB4F37M}

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	2026-07-04T15:25:37.952973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

353add2bbbf39a233845e9f140f0bbfb136566b2855fe6c49a3759dd4e33a642

Aliases

arxiv: astro-ph/0509258 · arxiv_version: astro-ph/0509258v2 · doi: 10.48550/arxiv.astro-ph/0509258 · pith_short_12: GU5N2K536ONC · pith_short_16: GU5N2K536ONCGOCF · pith_short_8: GU5N2K53

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/GU5N2K536ONCGOCF5HYUB4F37M \
  | 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: 353add2bbbf39a233845e9f140f0bbfb136566b2855fe6c49a3759dd4e33a642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a4a0939614149d0167174202cd4ad9cb96c90e253af5ca6c3a72a4d07878acb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-09T17:37:07Z",
    "title_canon_sha256": "0a26ef246c11e1e1b4a3eaeccf539f5c11fcdd1aaf14da70bf29eea1c562eaa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509258",
    "kind": "arxiv",
    "version": 2
  }
}