Pith Number

pith:VVGJ4TB7

pith:2017:VVGJ4TB7KMJY6PZWLVG7CD3JHK

not attested not anchored not stored refs pending

Considerations on how to investigate planes of satellite galaxies

Benoit Famaey, David Merritt, Francois Hammer, Geraint F. Lewis, Gerhard Hensler, Hector Flores, J\"org Dabringhausen, Marcel S. Pawlowski, Mathieu Puech, Noam I. Libeskind, Pavel Kroupa, Rodrigo A. Ibata, Stacy S. McGaugh, Yanbin Yang

arxiv:1702.06143 v2 · 2017-02-20 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVGJ4TB7KMJY6PZWLVG7CD3JHK}

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	2026-05-18T00:31:13.360188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4c9e4c3f53138f3f365d4df10f693ab5a19f197a7431c42a0425f7765fcf44

Aliases

arxiv: 1702.06143 · arxiv_version: 1702.06143v2 · doi: 10.48550/arxiv.1702.06143 · pith_short_12: VVGJ4TB7KMJY · pith_short_16: VVGJ4TB7KMJY6PZW · pith_short_8: VVGJ4TB7

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/VVGJ4TB7KMJY6PZWLVG7CD3JHK \
  | 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: ad4c9e4c3f53138f3f365d4df10f693ab5a19f197a7431c42a0425f7765fcf44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0832a41f44386d938c4c2d6b5127a1410d4426d56471faf3e333c82670409f8b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-20T19:04:41Z",
    "title_canon_sha256": "d6e1d3e347de1f896b626f4761f1f1244b2b8a47e0c18cd295f89f7c9724d009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06143",
    "kind": "arxiv",
    "version": 2
  }
}