Pith Number

pith:WGRUQA4C

pith:2018:WGRUQA4C2CP2RDTUFGL4DBRZUT

not attested not anchored not stored refs pending

An improved DNN-based spectral feature mapping that removes noise and reverberation for robust automatic speech recognition

Fernando Huenup\'an, Jorge Wuth, Jos\'e Novoa, Juan Pablo Escudero, N\'estor Becerra Yoma, Richard Stern, Rodrigo Mahu

arxiv:1803.09016 v2 · 2018-03-23 · eess.AS · 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{WGRUQA4C2CP2RDTUFGL4DBRZUT}

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	2026-05-18T00:19:16.264678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a3480382d09fa88e742997c18639a4d799c3ee5a3900f1b867ef0da8a36ebc

Aliases

arxiv: 1803.09016 · arxiv_version: 1803.09016v2 · doi: 10.48550/arxiv.1803.09016 · pith_short_12: WGRUQA4C2CP2 · pith_short_16: WGRUQA4C2CP2RDTU · pith_short_8: WGRUQA4C

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/WGRUQA4C2CP2RDTUFGL4DBRZUT \
  | 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: b1a3480382d09fa88e742997c18639a4d799c3ee5a3900f1b867ef0da8a36ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c13a251fcfb1330d822a49068797dc372d3fadcbfce379b5dcb2606b236ca2",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-03-23T23:46:34Z",
    "title_canon_sha256": "c9d3b7074bcff5df82d3d57f6b930106e712dc33a582c0fe71c9e0348e5233d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09016",
    "kind": "arxiv",
    "version": 2
  }
}