Pith Number

pith:DDRUPC26

pith:2025:DDRUPC26O2DXAAKYPY5UNIFIMT

not attested not anchored not stored refs pending

Classification of Solar Radio Spectrum Based on Swin Transformer

Chengming Tan, Guowu Yuan, Hao Zhou, Jian Chen, Lei Yang, Siqi Li

arxiv:2502.03782 v1 · 2025-02-06 · astro-ph.IM · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDRUPC26O2DXAAKYPY5UNIFIMT}

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	2026-07-05T10:10:14.843982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e3478b5e76877001587e3b46a0a864dcd1ab5949d42280109a1e1381aa9118

Aliases

arxiv: 2502.03782 · arxiv_version: 2502.03782v1 · doi: 10.48550/arxiv.2502.03782 · pith_short_12: DDRUPC26O2DX · pith_short_16: DDRUPC26O2DXAAKY · pith_short_8: DDRUPC26

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/DDRUPC26O2DXAAKYPY5UNIFIMT \
  | 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: 18e3478b5e76877001587e3b46a0a864dcd1ab5949d42280109a1e1381aa9118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d0d40e9e3fa3bf3c305bc420b4f26cef1d23a00a14c017069300196af5e993",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-06T05:09:35Z",
    "title_canon_sha256": "4ea736b6f27ac91bf551ba8ea39f8a0a714f253d59835a503b47fe024789feca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03782",
    "kind": "arxiv",
    "version": 1
  }
}