Pith Number

pith:HJV6PZF3

pith:2021:HJV6PZF3FHG3DG3RAICYJ2GKZ3

not attested not anchored not stored refs pending

Contrastive Unsupervised Learning for Speech Emotion Recognition

Andreas Stolcke, Bo Yang, Chao Wang, Constantinos Papayiannis, Daniel Bone, Joshua Levy, Mao Li, Spyros Matsoukas, Viktor Rozgic

arxiv:2102.06357 v1 · 2021-02-12 · 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{HJV6PZF3FHG3DG3RAICYJ2GKZ3}

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	2026-07-05T02:14:47.330763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a6be7e4bb29cdb19b71020584e8caced17ab705f36f3f629397e586af85e040

Aliases

arxiv: 2102.06357 · arxiv_version: 2102.06357v1 · doi: 10.48550/arxiv.2102.06357 · pith_short_12: HJV6PZF3FHG3 · pith_short_16: HJV6PZF3FHG3DG3R · pith_short_8: HJV6PZF3

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/HJV6PZF3FHG3DG3RAICYJ2GKZ3 \
  | 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: 3a6be7e4bb29cdb19b71020584e8caced17ab705f36f3f629397e586af85e040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d82e041f5803c412aa5f2a24175c6c1e516152214a9872ead074792a3afd14",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-02-12T06:06:02Z",
    "title_canon_sha256": "be320b9e73ede01c4a071da074262e1d5b3b7e5c1921c4e533663d1799b8e2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06357",
    "kind": "arxiv",
    "version": 1
  }
}