Pith Number

pith:CE73WA2O

pith:2025:CE73WA2O4QBWJPK3G3JRHDS6XC

not attested not anchored not stored refs pending

A Closer Look at an Unusual Ultra-Diffuse Galaxy

Dennis Zaritsky, Donghyeon J. Khim, Loraine Sandoval Ascencio, M. C. Cooper, Richard Donnerstein

arxiv:2502.19465 v1 · 2025-02-26 · 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{CE73WA2O4QBWJPK3G3JRHDS6XC}

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

The Internal Kinematics, Stellar Population, and Gas-phase Properties of The Pseudobulge in An Ultra-diffuse Galaxy: AGC721966

Receipt and verification

First computed	2026-07-05T11:53:27.473470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

113fbb034ee40364bd5b36d3138e5eb8b1439d8ee6b327f982fe516aebba09f8

Aliases

arxiv: 2502.19465 · arxiv_version: 2502.19465v1 · doi: 10.48550/arxiv.2502.19465 · pith_short_12: CE73WA2O4QBW · pith_short_16: CE73WA2O4QBWJPK3 · pith_short_8: CE73WA2O

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/CE73WA2O4QBWJPK3G3JRHDS6XC \
  | 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: 113fbb034ee40364bd5b36d3138e5eb8b1439d8ee6b327f982fe516aebba09f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2fb3f1fac7863d26ff1e223fb4bff9336bbf8177ce3dff46ef30a136627bbdc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-26T19:00:00Z",
    "title_canon_sha256": "bf90d6b7a1f3d313486fcb508703f00aa47aa0f87a007c0ac120a3cf3e5664e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19465",
    "kind": "arxiv",
    "version": 1
  }
}