Pith Number

pith:ROM2UKEH

pith:2021:ROM2UKEH2XHSYGTKS5UGZ6I2ER

not attested not anchored not stored refs pending

PDAugment: Data Augmentation by Pitch and Duration Adjustments for Automatic Lyrics Transcription

Chen Zhang, Jiawei Chen, Jiaxing Yu, Kejun Zhang, LuChin Chang, Tao Qin, Xu Tan

arxiv:2109.07940 v2 · 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{ROM2UKEH2XHSYGTKS5UGZ6I2ER}

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	2026-07-05T03:15:12.348625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b99aa2887d5cf2c1a6a97686cf91a244cd7d29e248100f05c1687a4bba8f1c9

Aliases

arxiv: 2109.07940 · arxiv_version: 2109.07940v2 · doi: 10.48550/arxiv.2109.07940 · pith_short_12: ROM2UKEH2XHS · pith_short_16: ROM2UKEH2XHSYGTK · pith_short_8: ROM2UKEH

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/ROM2UKEH2XHSYGTKS5UGZ6I2ER \
  | 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: 8b99aa2887d5cf2c1a6a97686cf91a244cd7d29e248100f05c1687a4bba8f1c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3705e29c233ed50a5a75cb6debf818757138e8655ad61edc18019c29a01e43",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-09-16T12:48:25Z",
    "title_canon_sha256": "9f2f962fc239f28de0af0861d98c0a1f267cf956ed4c92215f3f9279c91a06be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07940",
    "kind": "arxiv",
    "version": 2
  }
}