Pith Number

pith:JQAR7CAW

pith:2025:JQAR7CAWUVL2JN6IHLTEU3LJFU

not attested not anchored not stored refs pending

Detecting Galactic Rings in the DESI Legacy Imaging Surveys with Semi-Supervised Deep Learning

Cheng cheng, Chenggang Shu, Jianzhen Chen, Jun Hou, Shaohua Zhang, Zhijian Luo

arxiv:2507.07552 v1 · 2025-07-10 · 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{JQAR7CAWUVL2JN6IHLTEU3LJFU}

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	2026-07-05T11:35:00.572097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c011f8816a557a4b7c83ae64a6d692d3d43ab6f89b1792c2f26bc2fcbdeda3a

Aliases

arxiv: 2507.07552 · arxiv_version: 2507.07552v1 · doi: 10.48550/arxiv.2507.07552 · pith_short_12: JQAR7CAWUVL2 · pith_short_16: JQAR7CAWUVL2JN6I · pith_short_8: JQAR7CAW

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/JQAR7CAWUVL2JN6IHLTEU3LJFU \
  | 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: 4c011f8816a557a4b7c83ae64a6d692d3d43ab6f89b1792c2f26bc2fcbdeda3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c781a17b645fa9868834c9141457bb49f7ec8b8a77f53fdc72b233a63186334f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-10T08:51:32Z",
    "title_canon_sha256": "8871ad4be0ce30ab77d7d34c615383cf7af0913415172750c588132a890d319b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07552",
    "kind": "arxiv",
    "version": 1
  }
}