Pith Number

pith:2MOCNUDY

pith:2025:2MOCNUDYOXXTIZ54AMFNCSWDFS

not attested not anchored not stored refs pending

Reevaluating UMa3/U1: star cluster or the smallest known galaxy?

Holger Baumgardt, Sarah M. Sweet, Scot Devlin

arxiv:2504.21301 v2 · 2025-04-30 · 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{2MOCNUDYOXXTIZ54AMFNCSWDFS}

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.

Cited by

1 paper in Pith

Updated bounds on ultra-light dark matter from the tiniest galaxies

Receipt and verification

First computed	2026-07-05T10:56:39.966854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d31c26d07875ef3467bc030ad14ac32c83a47bb5b767903d60263b97ee0ac8a2

Aliases

arxiv: 2504.21301 · arxiv_version: 2504.21301v2 · doi: 10.48550/arxiv.2504.21301 · pith_short_12: 2MOCNUDYOXXT · pith_short_16: 2MOCNUDYOXXTIZ54 · pith_short_8: 2MOCNUDY

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/2MOCNUDYOXXTIZ54AMFNCSWDFS \
  | 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: d31c26d07875ef3467bc030ad14ac32c83a47bb5b767903d60263b97ee0ac8a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f00eae24da1d3187bae5599e933411f9272a5d625467b0114ae5c112ddee6a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-30T04:23:10Z",
    "title_canon_sha256": "d515d20b0adf15d08dc554f10352dc06dcdef48a7ef84961821f9fbaa2aa1462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21301",
    "kind": "arxiv",
    "version": 2
  }
}