Pith Number

pith:6T23CBJX

pith:2014:6T23CBJXTWQUS4RAW3Y3P5PHX2

not attested not anchored not stored refs pending

Galaxies as simple dynamical systems: observational data disfavor dark matter and stochastic star formation

Pavel Kroupa (Bonn)

arxiv:1406.4860 v3 · 2014-06-18 · 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{6T23CBJXTWQUS4RAW3Y3P5PHX2}

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	2026-05-18T02:27:32.431043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4f5b105379da1497220b6f1b7f5e7be93bf78d7c604d999110f5b548f853866

Aliases

arxiv: 1406.4860 · arxiv_version: 1406.4860v3 · doi: 10.48550/arxiv.1406.4860 · pith_short_12: 6T23CBJXTWQU · pith_short_16: 6T23CBJXTWQUS4RA · pith_short_8: 6T23CBJX

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/6T23CBJXTWQUS4RAW3Y3P5PHX2 \
  | 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: f4f5b105379da1497220b6f1b7f5e7be93bf78d7c604d999110f5b548f853866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a885ecf4062376d6e4e0a923db6e698c405feb0f7cb41514e0ad1c87134b5e22",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-18T20:00:01Z",
    "title_canon_sha256": "2cfde15ef0e61401b5b90e74a98d3eb4670cdb1597b57bbcd6b9903ad3e774b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4860",
    "kind": "arxiv",
    "version": 3
  }
}