Pith Number

pith:VU4SVXFF

pith:2025:VU4SVXFFJRFYKMDHZHAJ4NEHQY

not attested not anchored not stored refs pending

Identifying Ring Galaxies in DESI Legacy Imaging Surveys Using Machine Learning Methods

Aina Zhang, Bowen Liu, Meng Liu, Nan Li, Xiaoming Kong, Yude Bu, Zhenping Yi

arxiv:2506.16090 v1 · 2025-06-19 · 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{VU4SVXFFJRFYKMDHZHAJ4NEHQY}

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	2026-07-05T11:24:30.367948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad392adca54c4b853067c9c09e348786373ee698957c9904b9184551f0d91947

Aliases

arxiv: 2506.16090 · arxiv_version: 2506.16090v1 · doi: 10.48550/arxiv.2506.16090 · pith_short_12: VU4SVXFFJRFY · pith_short_16: VU4SVXFFJRFYKMDH · pith_short_8: VU4SVXFF

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/VU4SVXFFJRFYKMDHZHAJ4NEHQY \
  | 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: ad392adca54c4b853067c9c09e348786373ee698957c9904b9184551f0d91947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5920d1cb54ee8005a518960c993d2bd25b2667dc91df72a02cd4ad414f36f728",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-19T07:22:28Z",
    "title_canon_sha256": "440c80f1f4ef399d954e1f543ed9c43fdbaf347897012399e9111d95ebd240cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16090",
    "kind": "arxiv",
    "version": 1
  }
}