Pith Number

pith:6FJ4VYGO

pith:2021:6FJ4VYGOFELCFNBNQEXENSDNIF

not attested not anchored not stored refs pending

Emotion Recognition from Speech Using Wav2vec 2.0 Embeddings

Leonardo Pepino, Luciana Ferrer, Pablo Riera

arxiv:2104.03502 v1 · 2021-04-08 · cs.SD · cs.LG · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FJ4VYGOFELCFNBNQEXENSDNIF}

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.

Cited by

5 papers in Pith

InsideSSL: Understanding Self-Supervised Speech Representations using a Model-Centric Perspective

How Well Do Self-Supervised Speech Models Encode Age and Gender in Children's Speech? A Layer-Wise Analysis Across Multiple Architectures

SIGMA: Saliency-Guided Sparse Mask Attacks for Speech Emotion Recognition

Two-Stage Multimodal Framework for Emotion Mimicry Intensity Prediction

EMO-BOOST: Emotion-Augmented Audio-Visual Features for Improved Generalization in Deepfake Detection

Receipt and verification

First computed	2026-07-05T02:30:18.155109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f153cae0ce291622b42d812e46c86d41452ff88dcdb9aea560cca9503a0fd95c

Aliases

arxiv: 2104.03502 · arxiv_version: 2104.03502v1 · doi: 10.48550/arxiv.2104.03502 · pith_short_12: 6FJ4VYGOFELC · pith_short_16: 6FJ4VYGOFELCFNBN · pith_short_8: 6FJ4VYGO

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/6FJ4VYGOFELCFNBNQEXENSDNIF \
  | 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: f153cae0ce291622b42d812e46c86d41452ff88dcdb9aea560cca9503a0fd95c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03fffeb13f27a784555eb31fae6b65cc03e5ab05b5aa8676e678c9e50281cd95",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-04-08T04:31:58Z",
    "title_canon_sha256": "30f12a99abcf7b856b3107a34a9dcdbbc9e78fd9a00bcf9287cbd41ac745889c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03502",
    "kind": "arxiv",
    "version": 1
  }
}