Pith Number

pith:GPONS3QN

pith:2013:GPONS3QNP33LPQF7F7VGNN3MQQ

not attested not anchored not stored refs pending

The Three-Dimensional Structure of the M31 Satellite System; Strong Evidence for an Inhomogeneous Distribution of Satellites

Alan W. McConnachie, Annette M. N. Ferguson, Anthony R. Conn, Daniel B. Zucker, David Valls-Gabaud, Geraint F. Lewis, Michael J. Irwin, Nial Tanvir, Nicolas F. Martin, Quentin A. Parker, Rodrigo A. Ibata, Scott C. Chapman

arxiv:1301.7131 v1 · 2013-01-30 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPONS3QNP33LPQF7F7VGNN3MQQ}

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	2026-05-18T01:51:57.206210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33dcd96e0d7ef6b7c0bf2fea66b76c84143a276fe16da769d09c5cc848a8f905

Aliases

arxiv: 1301.7131 · arxiv_version: 1301.7131v1 · doi: 10.48550/arxiv.1301.7131 · pith_short_12: GPONS3QNP33L · pith_short_16: GPONS3QNP33LPQF7 · pith_short_8: GPONS3QN

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/GPONS3QNP33LPQF7F7VGNN3MQQ \
  | 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: 33dcd96e0d7ef6b7c0bf2fea66b76c84143a276fe16da769d09c5cc848a8f905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ed892c53cb0f83035e7b98119a6f79b130ba2e1e3f7977cbf85eebf9541ab0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-30T02:59:13Z",
    "title_canon_sha256": "266ce022382fc58ccc1f937f4b66fe237d8a5fae8b5ac1730cfb8fe89403c7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7131",
    "kind": "arxiv",
    "version": 1
  }
}