Pith Number

pith:G4QHZ66K

pith:2025:G4QHZ66KKVUWEVT7FZTZ56T7OZ

not attested not anchored not stored refs pending

Towards Flow-Matching-based TTS without Classifier-Free Guidance

Chen Zhang, Chunyu Qiang, Nan Li, Wenxi Chen, Wenzhe Liu, Xie Chen, Yushen Chen, Yuzhe Liang, Zhikang Niu, Ziyang Ma

arxiv:2504.20334 v2 · 2025-04-29 · 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{G4QHZ66KKVUWEVT7FZTZ56T7OZ}

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

2 papers in Pith

X-Voice: Enabling Everyone to Speak 30 Languages via Zero-Shot Cross-Lingual Voice Cloning

Receipt and verification

First computed	2026-07-05T10:57:37.194661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37207cfbca556962567f2e679efa7f76614924ac7189ca6dc309150c3e04514e

Aliases

arxiv: 2504.20334 · arxiv_version: 2504.20334v2 · doi: 10.48550/arxiv.2504.20334 · pith_short_12: G4QHZ66KKVUW · pith_short_16: G4QHZ66KKVUWEVT7 · pith_short_8: G4QHZ66K

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/G4QHZ66KKVUWEVT7FZTZ56T7OZ \
  | 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: 37207cfbca556962567f2e679efa7f76614924ac7189ca6dc309150c3e04514e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c45fa7672c0cd3bb90dc9e234efb047acdf7bd820d2221c8b0afb65e866adfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-04-29T00:54:15Z",
    "title_canon_sha256": "1917acb38d8d47b115a6e0c7b5d134b1dfae8693ba9f699fedf56e0e38971c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20334",
    "kind": "arxiv",
    "version": 2
  }
}