Pith Number

pith:OQDFQH4Y

pith:2025:OQDFQH4YJEJXYNJLLHHIYMPTTH

not attested not anchored not stored refs pending

Unveiling M33's Hidden Merger History: A Potential Population of Star Clusters on Retrograde Orbits

Borja Anguiano, Geraint F. Lewis, Steven R. Majewski

arxiv:2507.13488 v1 · 2025-07-17 · 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{OQDFQH4YJEJXYNJLLHHIYMPTTH}

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	2026-07-05T11:39:18.205846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7406581f9849137c352b59ce8c31f399fc278592c442c5b13065360bb58c1481

Aliases

arxiv: 2507.13488 · arxiv_version: 2507.13488v1 · doi: 10.48550/arxiv.2507.13488 · pith_short_12: OQDFQH4YJEJX · pith_short_16: OQDFQH4YJEJXYNJL · pith_short_8: OQDFQH4Y

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/OQDFQH4YJEJXYNJLLHHIYMPTTH \
  | 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: 7406581f9849137c352b59ce8c31f399fc278592c442c5b13065360bb58c1481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38140c8e5f2d15ecaa0a898c183d211a1c610638a8065206082444721687c5d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-17T18:54:00Z",
    "title_canon_sha256": "65f3399f8e9b2066163d32fef013b47de3c7f7e25bb1afe716d2313638af87c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13488",
    "kind": "arxiv",
    "version": 1
  }
}