Pith Number

pith:U2S74DQG

pith:2019:U2S74DQGMJMFASE4IUWUDRZUUB

not attested not anchored not stored refs pending

Coarse-to-fine Optimization for Speech Enhancement

Ahmad Al-Dahle, Jian Yao

arxiv:1908.08044 v1 · 2019-08-21 · cs.SD · cs.LG · eess.AS

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

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\usepackage{pith}
\pithnumber{U2S74DQGMJMFASE4IUWUDRZUUB}

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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.

Cited by

1 paper in Pith

Coarse-to-fine Optimization for Speech Enhancement

Receipt and verification

First computed	2026-07-04T23:59:09.335981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6a5fe0e06625850489c452d41c734a04c460573319ff8a43a40d0524285a376

Aliases

arxiv: 1908.08044 · arxiv_version: 1908.08044v1 · doi: 10.48550/arxiv.1908.08044 · pith_short_12: U2S74DQGMJMF · pith_short_16: U2S74DQGMJMFASE4 · pith_short_8: U2S74DQG

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/U2S74DQGMJMFASE4IUWUDRZUUB \
  | 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: a6a5fe0e06625850489c452d41c734a04c460573319ff8a43a40d0524285a376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033a732cc9926455b7d2a0ab506bd68bd7390c594cf369a8fa8e1b1a1df881c6",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2019-08-21T17:51:29Z",
    "title_canon_sha256": "a57daa8632f6ba585db338e4ecfdb857ad747cea676ee0ab9dde449e139d702a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08044",
    "kind": "arxiv",
    "version": 1
  }
}