Pith Number

pith:NFIR525A

pith:2023:NFIR525AIAG7OSMLCSO4JIGNDX

not attested not anchored not stored refs pending

Ursa Major III/UNIONS 1: the darkest galaxy ever discovered?

Alan W. McConnachie, Julio F. Navarro, Rapha\"el Errani, Simon E. T. Smith

arxiv:2311.10134 v2 · 2023-11-16 · 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{NFIR525AIAG7OSMLCSO4JIGNDX}

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	2026-07-05T08:04:16.078210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69511eeba0400df7498b149dc4a0cd1dc3eae09e064775eed50aca45839635b8

Aliases

arxiv: 2311.10134 · arxiv_version: 2311.10134v2 · doi: 10.48550/arxiv.2311.10134 · pith_short_12: NFIR525AIAG7 · pith_short_16: NFIR525AIAG7OSML · pith_short_8: NFIR525A

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/NFIR525AIAG7OSMLCSO4JIGNDX \
  | 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: 69511eeba0400df7498b149dc4a0cd1dc3eae09e064775eed50aca45839635b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a555158556d98302b11cca708fa9064e251366a0ff0970cfe4f6eebbc18812a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-11-16T19:00:01Z",
    "title_canon_sha256": "2ad65f39bb2a83879f25a70261dea6c7473b137f004fbca2a3d58f63438463ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.10134",
    "kind": "arxiv",
    "version": 2
  }
}