Pith Number

pith:YL2IRNR3

pith:2021:YL2IRNR3JFMUF5NTSP5TTF4K46

not attested not anchored not stored refs pending

DDS: A new device-degraded speech dataset for speech enhancement

Haoyu Li, Junichi Yamagishi

arxiv:2109.07931 v4 · 2021-09-16 · 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{YL2IRNR3JFMUF5NTSP5TTF4K46}

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.

Cited by

1 paper in Pith

Training-Free Multi-Step Audio Source Separation

Receipt and verification

First computed	2026-07-05T04:07:05.320517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2f488b63b495942f5b393fb39978ae7b4ff6b02188db308d92a4844f16eb461

Aliases

arxiv: 2109.07931 · arxiv_version: 2109.07931v4 · doi: 10.48550/arxiv.2109.07931 · pith_short_12: YL2IRNR3JFMU · pith_short_16: YL2IRNR3JFMUF5NT · pith_short_8: YL2IRNR3

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/YL2IRNR3JFMUF5NTSP5TTF4K46 \
  | 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: c2f488b63b495942f5b393fb39978ae7b4ff6b02188db308d92a4844f16eb461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f747f1b4cefa831359d14882c3d8009c853e7dd94765e648484944006b744b4f",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-09-16T12:27:15Z",
    "title_canon_sha256": "d7d0cf98d281cbfac998aa5d428c2b2a5e50c7f10b9376f4acdcb9cc64b3ea08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07931",
    "kind": "arxiv",
    "version": 4
  }
}