Pith Number

pith:G322LG53

pith:2025:G322LG53JX5T7P5HSM5CWSH3UH

not attested not anchored not stored refs pending

CleanMel: Mel-Spectrogram Enhancement for Improving Both Speech Quality and ASR

Nian Shao, Pengyu Wang, Rui Zhou, Xian Li, Xiaofei Li, Ying Fang, Yujie Yang

arxiv:2502.20040 v2 · 2025-02-27 · eess.AS · cs.AI · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G322LG53JX5T7P5HSM5CWSH3UH}

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	2026-07-05T11:45:31.902521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36f5a59bbb4dfb3fbfa7933a2b48fba1faab493da17be9a772b460a7112f9579

Aliases

arxiv: 2502.20040 · arxiv_version: 2502.20040v2 · doi: 10.48550/arxiv.2502.20040 · pith_short_12: G322LG53JX5T · pith_short_16: G322LG53JX5T7P5H · pith_short_8: G322LG53

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/G322LG53JX5T7P5HSM5CWSH3UH \
  | 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: 36f5a59bbb4dfb3fbfa7933a2b48fba1faab493da17be9a772b460a7112f9579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf6a9f459499b8b6100edd0b3b6cd421c6d40d332679e86c5cd28225194e2e8",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-02-27T12:28:29Z",
    "title_canon_sha256": "d57a67a40618e294f3e12b739c05fd5558fc343956c0f51db9fdc2df5f78b766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20040",
    "kind": "arxiv",
    "version": 2
  }
}