Pith Number

pith:ATH4FS7I

pith:2025:ATH4FS7IZWKQ5CVHHSBHYPR4BZ

not attested not anchored not stored refs pending

Clustering-based hard negative sampling for supervised contrastive speaker verification

Jakub \.Zak, Konrad Kowalczyk, Mateusz Matuszewski, Micha{\l} Romaniuk, Piotr Masztalski

arxiv:2507.17540 v1 · 2025-07-23 · eess.AS · cs.LG · 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{ATH4FS7IZWKQ5CVHHSBHYPR4BZ}

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

1 paper in Pith

Clustering-based hard negative sampling for supervised contrastive speaker verification

Receipt and verification

First computed	2026-07-05T11:58:33.137322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04cfc2cbe8cd950e8aa73c827c3e3c0e75bcdd4e662fae24e8390222775d7fa0

Aliases

arxiv: 2507.17540 · arxiv_version: 2507.17540v1 · doi: 10.48550/arxiv.2507.17540 · pith_short_12: ATH4FS7IZWKQ · pith_short_16: ATH4FS7IZWKQ5CVH · pith_short_8: ATH4FS7I

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/ATH4FS7IZWKQ5CVHHSBHYPR4BZ \
  | 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: 04cfc2cbe8cd950e8aa73c827c3e3c0e75bcdd4e662fae24e8390222775d7fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a15c9340c10a6dd7d74e14b020fb52880ab7181ea5f48c20bb8c63be720c796",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-07-23T14:19:33Z",
    "title_canon_sha256": "d1757d3f26d5ea335b9e0ef5901e5e66b383d089b84d48e7a72d1045e37b0e80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17540",
    "kind": "arxiv",
    "version": 1
  }
}