Pith Number

pith:WDWSEODC

pith:2019:WDWSEODCFGQMUTG32QWT7PJ4G2

not attested not anchored not stored refs pending

The kinematics of star clusters undergoing gas expulsion in Newtonian and Milgromian dynamics

Pavel Kroupa, Xufen Wu

arxiv:1905.13231 v1 · 2019-05-30 · 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{WDWSEODCFGQMUTG32QWT7PJ4G2}

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	2026-05-17T23:43:00.051912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ed22386229a0ca4cdbd42d3fbd3c36a846b546f67e3e56c2811c0623e8bb10

Aliases

arxiv: 1905.13231 · arxiv_version: 1905.13231v1 · doi: 10.48550/arxiv.1905.13231 · pith_short_12: WDWSEODCFGQM · pith_short_16: WDWSEODCFGQMUTG3 · pith_short_8: WDWSEODC

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/WDWSEODCFGQMUTG32QWT7PJ4G2 \
  | 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: b0ed22386229a0ca4cdbd42d3fbd3c36a846b546f67e3e56c2811c0623e8bb10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c74a7a45eaf1f7be25a96e6d6dae27657b8028d8335f60f81d86525a774f5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-30T18:00:00Z",
    "title_canon_sha256": "80d1c4642852e8c7f87c961145ca6618a872466a303e4a5768be75f2ae33e9eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13231",
    "kind": "arxiv",
    "version": 1
  }
}