Pith Number

pith:B2JG6RMK

pith:2018:B2JG6RMK24YQJ57SA7YC7RVNE3

not attested not anchored not stored refs pending

Transforming acoustic characteristics to deceive playback spoofing countermeasures of speaker verification systems

Fuming Fang, Isao Echizen, Junichi Yamagishi, Md Sahidullah, Tomi Kinnunen

arxiv:1809.04274 v2 · 2018-09-12 · cs.SD · cs.CR · 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{B2JG6RMK24YQJ57SA7YC7RVNE3}

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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	2026-05-18T00:05:50.228213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e926f458ad73104f7f207f02fc6ad26ce53271f87db5dd16b4ad050cadc1163

Aliases

arxiv: 1809.04274 · arxiv_version: 1809.04274v2 · doi: 10.48550/arxiv.1809.04274 · pith_short_12: B2JG6RMK24YQ · pith_short_16: B2JG6RMK24YQJ57S · pith_short_8: B2JG6RMK

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/B2JG6RMK24YQJ57SA7YC7RVNE3 \
  | 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: 0e926f458ad73104f7f207f02fc6ad26ce53271f87db5dd16b4ad050cadc1163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ec7a625fba78e6aa63b8bfd1f45aa86c3366c28925fa91440902a30e46ace5",
    "cross_cats_sorted": [
      "cs.CR",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-09-12T06:45:42Z",
    "title_canon_sha256": "421f0aee0ccde7c2891b91bd3e38c7a269c95114f381b05bec3d52397d5db915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04274",
    "kind": "arxiv",
    "version": 2
  }
}