Pith Number

pith:QZPKT4BO

pith:2022:QZPKT4BOGXCOUZGSCJ43ODRGDQ

not attested not anchored not stored refs pending

Federated Self-Supervised Learning for Acoustic Event Classification

Chao Wang, Chieh-Chi Kao, Meng Feng, Ming Sun, Qingming Tang, Spyros Matsoukas, Viktor Rozgic

arxiv:2203.11997 v1 · 2022-03-22 · 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{QZPKT4BOGXCOUZGSCJ43ODRGDQ}

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	2026-07-05T04:07:46.066554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

865ea9f02e35c4ea64d21279b70e261c1d57f32aa41574068e44845eaf291770

Aliases

arxiv: 2203.11997 · arxiv_version: 2203.11997v1 · doi: 10.48550/arxiv.2203.11997 · pith_short_12: QZPKT4BOGXCO · pith_short_16: QZPKT4BOGXCOUZGS · pith_short_8: QZPKT4BO

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/QZPKT4BOGXCOUZGSCJ43ODRGDQ \
  | 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: 865ea9f02e35c4ea64d21279b70e261c1d57f32aa41574068e44845eaf291770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5193673f70b02922cb9f39ae62114078b652ce96891ab91025c07334cf409677",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-03-22T18:49:52Z",
    "title_canon_sha256": "7d5a11905618b098ce016aa17985c136d1e9fb028303a201859d78f9a270e446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11997",
    "kind": "arxiv",
    "version": 1
  }
}