Pith Number

pith:EUPPLL6U

pith:2022:EUPPLL6U7F3OEGC5TY5VZADH4W

not attested not anchored not stored refs pending

Opencpop: A High-Quality Open Source Chinese Popular Song Corpus for Singing Voice Synthesis

Hanzhao Li, Heyang Xue, Jie Wu, Lei Xie, Mengxiao Bi, Pengcheng Zhu, Xinsheng Wang, Yongmao Zhang, Yu Wang

arxiv:2201.07429 v2 · 2022-01-19 · cs.SD · cs.DB · 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{EUPPLL6U7F3OEGC5TY5VZADH4W}

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	2026-07-05T03:50:05.056059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

251ef5afd4f976e2185d9e3b5c8067e5aba652913f0a3c9fae0d126c05501bfc

Aliases

arxiv: 2201.07429 · arxiv_version: 2201.07429v2 · doi: 10.48550/arxiv.2201.07429 · pith_short_12: EUPPLL6U7F3O · pith_short_16: EUPPLL6U7F3OEGC5 · pith_short_8: EUPPLL6U

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/EUPPLL6U7F3OEGC5TY5VZADH4W \
  | 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: 251ef5afd4f976e2185d9e3b5c8067e5aba652913f0a3c9fae0d126c05501bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b04966b008b37a6f3f5c4ae244d01763fa7ffc62561b4af946925214e06c8a",
    "cross_cats_sorted": [
      "cs.DB",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-01-19T06:12:47Z",
    "title_canon_sha256": "3db58c05065a05e7cf71466c71d03151c669046400a90e8931620af018ede858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07429",
    "kind": "arxiv",
    "version": 2
  }
}