Pith Number

pith:C7UKNXZA

pith:2021:C7UKNXZADLRTR4XPKCD6UWCEIW

not attested not anchored not stored refs pending

DESED-FL and URBAN-FL: Federated Learning Datasets for Sound Event Detection

David S. Johnson, Hanna Lukashevich, Jakob Abe{\ss}er, Michael Taenzer, Sascha Grollmisch, Stylianos Mimilakis, Wolfgang Lorenz

arxiv:2102.08833 v3 · 2021-02-17 · cs.SD · cs.DC · 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{C7UKNXZADLRTR4XPKCD6UWCEIW}

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	2026-07-05T02:44:35.908728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e8a6df201ae338f2ef5087ea584445b12c2a7071e3d80f62768d3a5cc7c646

Aliases

arxiv: 2102.08833 · arxiv_version: 2102.08833v3 · doi: 10.48550/arxiv.2102.08833 · pith_short_12: C7UKNXZADLRT · pith_short_16: C7UKNXZADLRTR4XP · pith_short_8: C7UKNXZA

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/C7UKNXZADLRTR4XPKCD6UWCEIW \
  | 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: 17e8a6df201ae338f2ef5087ea584445b12c2a7071e3d80f62768d3a5cc7c646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bfe8c9f310a23aa631a221cd6687978bfef7015788d55e67174cac1999c77c9",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-02-17T15:41:38Z",
    "title_canon_sha256": "7d8adee26ff55ba8af1543047b5e7d00d26afc06d7dd83a14c1541dbde5d06bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08833",
    "kind": "arxiv",
    "version": 3
  }
}