Pith Number

pith:XDUWJ5NY

pith:2024:XDUWJ5NYZHAKOFKY6LRZDHDTYB

not attested not anchored not stored refs pending

USmorph: An Updated Framework of Automatic Classification of Galaxy Morphologies and Its Application to Galaxies in the COSMOS Field

Cai-Na Hao, Chichun Zhou, Guanwen Fang, Guilin Liu, Hongxin Zhang, Jie Song, Shuo Ba, Tao Wang, Xu Kong, Yao Yao, Yizhou Gu, Zesen Lin

arxiv:2404.15701 v1 · 2024-04-24 · 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{XDUWJ5NYZHAKOFKY6LRZDHDTYB}

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	2026-07-05T08:11:32.021275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e964f5b8c9c0a71558f2e3919c73c04b14128f90e797c4db8c2ee4b43bed94

Aliases

arxiv: 2404.15701 · arxiv_version: 2404.15701v1 · doi: 10.48550/arxiv.2404.15701 · pith_short_12: XDUWJ5NYZHAK · pith_short_16: XDUWJ5NYZHAKOFKY · pith_short_8: XDUWJ5NY

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/XDUWJ5NYZHAKOFKY6LRZDHDTYB \
  | 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: b8e964f5b8c9c0a71558f2e3919c73c04b14128f90e797c4db8c2ee4b43bed94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a262cd6d985bbc494a191645208eb27ec15cbd0c3d97fc8fb584d268e5d81d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-04-24T07:38:16Z",
    "title_canon_sha256": "8af890a1863d3c2ff5afc9864adccef44d084334e09fc1dc8d0047c87dfd06e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.15701",
    "kind": "arxiv",
    "version": 1
  }
}