Pith Number

pith:PAXMVN7Y

pith:2024:PAXMVN7YOYDKRH2NW7EOTZPNNP

not attested not anchored not stored refs pending

Preparation for CSST: Star-galaxy Classification using a Rotationally Invariant Supervised Machine Learning Method

Chichun Zhou, Guanwen Fang, Jie Song, Ran Li, Shiliang Zhang, Xu Kong, Yao Dai, Yizhou Gu, Zesen Lin

arxiv:2409.13296 v1 · 2024-09-20 · 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{PAXMVN7YOYDKRH2NW7EOTZPNNP}

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	2026-07-05T09:09:32.597028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

782ecab7f87606a89f4db7c8e9e5ed6bc69bb0f886d2e32d7baf713fbda4b221

Aliases

arxiv: 2409.13296 · arxiv_version: 2409.13296v1 · doi: 10.48550/arxiv.2409.13296 · pith_short_12: PAXMVN7YOYDK · pith_short_16: PAXMVN7YOYDKRH2N · pith_short_8: PAXMVN7Y

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/PAXMVN7YOYDKRH2NW7EOTZPNNP \
  | 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: 782ecab7f87606a89f4db7c8e9e5ed6bc69bb0f886d2e32d7baf713fbda4b221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599a5e4f7cf6ae8baa709d8a800a5f8f23b09589a7882251aa3b2474ee249268",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-09-20T07:47:46Z",
    "title_canon_sha256": "6c03b20cfb01f18f71f6dbdf87fdc081a2410d089729e5933bce69e5b8f90774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.13296",
    "kind": "arxiv",
    "version": 1
  }
}