Pith Number

pith:FOVGMW35

pith:2025:FOVGMW35IHPTRGIPPYVNGSU2DE

not attested not anchored not stored refs pending

Self-Supervised Learning for Solar Radio Spectrum Classification

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

arxiv:2502.03778 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{FOVGMW35IHPTRGIPPYVNGSU2DE}

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	2026-07-05T10:10:14.781546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2baa665b7d41df38990f7e2ad34a9a192dd325ffef8d5388c97af7ae36c3adf1

Aliases

arxiv: 2502.03778 · arxiv_version: 2502.03778v1 · doi: 10.48550/arxiv.2502.03778 · pith_short_12: FOVGMW35IHPT · pith_short_16: FOVGMW35IHPTRGIP · pith_short_8: FOVGMW35

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/FOVGMW35IHPTRGIPPYVNGSU2DE \
  | 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: 2baa665b7d41df38990f7e2ad34a9a192dd325ffef8d5388c97af7ae36c3adf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e6f0395b8afafe5d23c24f7a44be6f1b2837d1a0fdd577df2438e760922384c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-06T04:56:30Z",
    "title_canon_sha256": "d107c6cdaade7e0c997449d07103ba617eb580b6c0d48929ef605abf664fdbdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03778",
    "kind": "arxiv",
    "version": 1
  }
}