Pith Number

pith:ZKW35BW3

pith:2017:ZKW35BW3UDJVVDX32FREKD3EYW

not attested not anchored not stored refs pending

Complex spectrogram enhancement by convolutional neural network with multi-metrics learning

Szu-Wei Fu, Ting-Yao Hu, Xugang Lu, Yu Tsao

arxiv:1704.08504 v2 · 2017-04-27 · stat.ML · cs.LG · 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{ZKW35BW3UDJVVDX32FREKD3EYW}

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	2026-05-18T00:35:41.406770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caadbe86dba0d35a8efbd162450f64c58a320e73973c4109e6c6ce2dcab73742

Aliases

arxiv: 1704.08504 · arxiv_version: 1704.08504v2 · doi: 10.48550/arxiv.1704.08504 · pith_short_12: ZKW35BW3UDJV · pith_short_16: ZKW35BW3UDJVVDX3 · pith_short_8: ZKW35BW3

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/ZKW35BW3UDJVVDX32FREKD3EYW \
  | 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: caadbe86dba0d35a8efbd162450f64c58a320e73973c4109e6c6ce2dcab73742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3179546b9e8e1a020bc0c47169f9f63e22d648db1b8bb72f54b04eb7d3dba1c",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-04-27T11:01:33Z",
    "title_canon_sha256": "2bfa2aa3c6c0bec49f0e887012c5edef273dd879cac7dc2e5283c4bade5f4c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08504",
    "kind": "arxiv",
    "version": 2
  }
}