Pith Number

pith:UJYZQF4T

pith:2022:UJYZQF4T7DNGQG4P7L75FQ4OBL

not attested not anchored not stored refs pending

Optimizing Tandem Speaker Verification and Anti-Spoofing Systems

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

arxiv:2201.09709 v1 · 2022-01-24 · cs.SD · cs.CR · 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{UJYZQF4T7DNGQG4P7L75FQ4OBL}

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	2026-07-05T03:51:00.235037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a271981793f8da681b8ffaffd2c38e0ae364b75b739de2dad86744a9ebdcbb2a

Aliases

arxiv: 2201.09709 · arxiv_version: 2201.09709v1 · doi: 10.48550/arxiv.2201.09709 · pith_short_12: UJYZQF4T7DNG · pith_short_16: UJYZQF4T7DNGQG4P · pith_short_8: UJYZQF4T

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/UJYZQF4T7DNGQG4P7L75FQ4OBL \
  | 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: a271981793f8da681b8ffaffd2c38e0ae364b75b739de2dad86744a9ebdcbb2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6ddb952727f0557cab349bcc932d15e74f84b1bfcb7f4ebb124064a0f99b99",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-01-24T14:27:28Z",
    "title_canon_sha256": "471ffb1408baf282127cd5f338f467e89679bc1b369377692543ae9a88a35cba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09709",
    "kind": "arxiv",
    "version": 1
  }
}