Pith Number

pith:FT3HFXQJ

pith:2026:FT3HFXQJTCPJDSY24D6BJKBQIM

not attested not anchored not stored refs pending

Faster IndexTTS-2: Accelerating and Streaming Autoregressive Zero-Shot Text-to-Speech Synthesis on GPUs

Junjie Lai, Muyang Du, Shuang Yu

arxiv:2607.21042 v1 · 2026-07-23 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FT3HFXQJTCPJDSY24D6BJKBQIM}

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	2026-07-24T01:23:48.777346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cf672de09989e91cb1ae0fc14a8304301eb53d56e92f69fa63f71c217bff718

Aliases

arxiv: 2607.21042 · arxiv_version: 2607.21042v1 · doi: 10.48550/arxiv.2607.21042 · pith_short_12: FT3HFXQJTCPJ · pith_short_16: FT3HFXQJTCPJDSY2 · pith_short_8: FT3HFXQJ

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/FT3HFXQJTCPJDSY24D6BJKBQIM \
  | 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: 2cf672de09989e91cb1ae0fc14a8304301eb53d56e92f69fa63f71c217bff718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb300311d60ca8e9ba1c16b23302d3b1bde6bdc047f35500366dfd6c2c209bb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-23T08:24:21Z",
    "title_canon_sha256": "cae94875c70c772c5ce5864276371361958cb8f545418c53e9b7fb4ee75e908b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21042",
    "kind": "arxiv",
    "version": 1
  }
}