Pith Number

pith:F27DQCMH

pith:2018:F27DQCMHMSY4PFO5IOSJ6NLCKL

not attested not anchored not stored refs pending

Frequency domain variants of velvet noise and their application to speech processing and synthesis: with appendices

Hideki Banno, Hideki Kawahara, Ken-Ichi Sakakibara, Masanori Morise, Tomoki Toda, Toshio Irino

arxiv:1806.06812 v1 · 2018-06-18 · cs.SD · eess.AS · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F27DQCMHMSY4PFO5IOSJ6NLCKL}

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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	2026-05-18T00:11:28.817260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ebe38098764b1c795dd43a49f356252c4657859e61eb518e5664e7a1021b8f4

Aliases

arxiv: 1806.06812 · arxiv_version: 1806.06812v1 · doi: 10.48550/arxiv.1806.06812 · pith_short_12: F27DQCMHMSY4 · pith_short_16: F27DQCMHMSY4PFO5 · pith_short_8: F27DQCMH

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/F27DQCMHMSY4PFO5IOSJ6NLCKL \
  | 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: 2ebe38098764b1c795dd43a49f356252c4657859e61eb518e5664e7a1021b8f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406051cc21ef38e7f862edb032a42b10283b1ad41830fe9f613355879d086824",
    "cross_cats_sorted": [
      "eess.AS",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-06-18T16:35:47Z",
    "title_canon_sha256": "f55cdb0d136407f67eb87bba966b9540c5a82ea0562235d48afbbdba6eaf1350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06812",
    "kind": "arxiv",
    "version": 1
  }
}