Pith Number

pith:BPGDZVPF

pith:2021:BPGDZVPFHZKQBIFLBBFXJVBP2H

not attested not anchored not stored refs pending

Representation Learning to Classify and Detect Adversarial Attacks against Speaker and Speech Recognition Systems

Jes\'us Villalba, Najim Dehak, Piotr \.Zelasko, Sonal Joshi

arxiv:2107.04448 v1 · 2021-07-09 · 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{BPGDZVPFHZKQBIFLBBFXJVBP2H}

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	2026-07-05T02:56:33.490858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bcc3cd5e53e5500a0ab084b74d42fd1cc8e86249dbbd76eda472c44dd905be4

Aliases

arxiv: 2107.04448 · arxiv_version: 2107.04448v1 · doi: 10.48550/arxiv.2107.04448 · pith_short_12: BPGDZVPFHZKQ · pith_short_16: BPGDZVPFHZKQBIFL · pith_short_8: BPGDZVPF

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/BPGDZVPFHZKQBIFLBBFXJVBP2H \
  | 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: 0bcc3cd5e53e5500a0ab084b74d42fd1cc8e86249dbbd76eda472c44dd905be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61b7407db3bbd3fae8dfd98b7759ec5178a9b8a2d8dd848d092568bfeb2720d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-07-09T13:55:31Z",
    "title_canon_sha256": "bb14d32c588e0a7e6d6ccff7202c85c8e89f780c1d1503746136b7aee30ec141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04448",
    "kind": "arxiv",
    "version": 1
  }
}