Pith Number

pith:MKBV3MAP

pith:2020:MKBV3MAPFFGH67MFKYVZUDYIDR

not attested not anchored not stored refs pending

An explainability study of the constant Q cepstral coefficient spoofing countermeasure for automatic speaker verification

Andreas Nautsch, Hemlata Tak, Jose Patino, Massimiliano Todisco, Nicholas Evans

arxiv:2004.06422 v3 · 2020-04-14 · eess.AS · 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{MKBV3MAPFFGH67MFKYVZUDYIDR}

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	2026-07-05T00:56:04.967492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62835db00f294c7f7d85562b9a0f081c412c1b652636dd3ae71bfc9b82f6e42a

Aliases

arxiv: 2004.06422 · arxiv_version: 2004.06422v3 · doi: 10.48550/arxiv.2004.06422 · pith_short_12: MKBV3MAPFFGH · pith_short_16: MKBV3MAPFFGH67MF · pith_short_8: MKBV3MAP

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/MKBV3MAPFFGH67MFKYVZUDYIDR \
  | 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: 62835db00f294c7f7d85562b9a0f081c412c1b652636dd3ae71bfc9b82f6e42a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d7ec2f0d29abb36cbe3f875075701c564577f66c0654efb8bb381d449d15b5",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-04-14T11:16:10Z",
    "title_canon_sha256": "6d82c31051fc05f5806b812b78bbfd4f8edf098b97fa200edc5bf59aa894c5e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06422",
    "kind": "arxiv",
    "version": 3
  }
}