Pith Number

pith:6PZZ3TN7

pith:2019:6PZZ3TN7HDJDMCTZUUFLHM22YM

not attested not anchored not stored refs pending

A new approach to finding galaxy groups using Markov Clustering

C. M. Baugh (Durham University), L. Stothert, P. Norberg

arxiv:1903.12026 v1 · 2019-03-28 · 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{6PZZ3TN7HDJDMCTZUUFLHM22YM}

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	2026-05-17T23:48:59.828484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3f39dcdbf38d2360a79a50ab3b35ac305239c0310cf12461f16cc0fa45e9286

Aliases

arxiv: 1903.12026 · arxiv_version: 1903.12026v1 · doi: 10.48550/arxiv.1903.12026 · pith_short_12: 6PZZ3TN7HDJD · pith_short_16: 6PZZ3TN7HDJDMCTZ · pith_short_8: 6PZZ3TN7

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/6PZZ3TN7HDJDMCTZUUFLHM22YM \
  | 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: f3f39dcdbf38d2360a79a50ab3b35ac305239c0310cf12461f16cc0fa45e9286

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8262860597e78d9551cd4ef325a5929409a339957b2570f1ab3b8203ab7d2fe",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-28T15:00:42Z",
    "title_canon_sha256": "e7fe5c08cbd7b77290cb6d4b2eea270112a4b25aebac31ff4f3c8374176c9533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12026",
    "kind": "arxiv",
    "version": 1
  }
}