Pith Number

pith:RBQZQULB

pith:2020:RBQZQULBHKR6WWPVR2N2A7YY5K

not attested not anchored not stored refs pending

An initial investigation on optimizing tandem speaker verification and countermeasure systems using reinforcement learning

Anssi Kanervisto, Junichi Yamagishi, Tomi Kinnunen, Ville Hautam\"aki

arxiv:2002.03801 v2 · 2020-02-06 · eess.AS · cs.LG · cs.SD · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBQZQULBHKR6WWPVR2N2A7YY5K}

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	2026-07-05T00:53:53.076541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88619851613aa3eb59f58e9ba07f18ea9b7770436672ca5d7ff0e95c35e2e134

Aliases

arxiv: 2002.03801 · arxiv_version: 2002.03801v2 · doi: 10.48550/arxiv.2002.03801 · pith_short_12: RBQZQULBHKR6 · pith_short_16: RBQZQULBHKR6WWPV · pith_short_8: RBQZQULB

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/RBQZQULBHKR6WWPVR2N2A7YY5K \
  | 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: 88619851613aa3eb59f58e9ba07f18ea9b7770436672ca5d7ff0e95c35e2e134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9fdb258ef2d8321b3ba84238110eed77612ad333af3c462904a894e4a203ee5",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-02-06T15:13:49Z",
    "title_canon_sha256": "787a253e5451e7a0fc8830703b791b3f3edb0f95731cd5f7a9073e39d29f7076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03801",
    "kind": "arxiv",
    "version": 2
  }
}