Pith Number

pith:W4KZWVU3

pith:2026:W4KZWVU3BFTG2O627PD4U5UYQB

not attested not anchored not stored refs pending

GROW: Group-Relative Advantage-Weighted On-Policy Reinforcement Learning of Autoregressive-Diffusion Text-to-Speech model

Guanrou Yang, Haitao Li, Qian Chen, Qi Chen, Shan Yang, Tian Tan, Wenming Tu, Xie Chen, Yakun Song, Zhikang Niu, Ziyang Ma

arxiv:2608.03215 v1 · 2026-08-04 · eess.AS · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4KZWVU3BFTG2O627PD4U5UYQB}

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	2026-08-05T00:46:17.719693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7159b569b09666d3bdafbc7ca7698806e827b63735beeb568050e9429110725

Aliases

arxiv: 2608.03215 · arxiv_version: 2608.03215v1 · doi: 10.48550/arxiv.2608.03215 · pith_short_12: W4KZWVU3BFTG · pith_short_16: W4KZWVU3BFTG2O62 · pith_short_8: W4KZWVU3

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/W4KZWVU3BFTG2O627PD4U5UYQB \
  | 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: b7159b569b09666d3bdafbc7ca7698806e827b63735beeb568050e9429110725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d4d24a3cc1c07223df2873eca6b6b0eaa80539c4a3c317059176ba1a856daa",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-08-04T06:50:55Z",
    "title_canon_sha256": "14c5285d978fcbe3fba461194afaa37bc1de06f4d156680358be16d63cea72d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03215",
    "kind": "arxiv",
    "version": 1
  }
}