Pith Number

pith:OBPX44YA

pith:2025:OBPX44YACGJ75HCH7Q4SPUBH6D

not attested not anchored not stored refs pending

Traceable TTS: Toward Watermark-Free TTS with Strong Traceability

Kai Yu, Shuai Wang, Xie Chen, Yunchong Xiao, Yushen Chen, Yuxiang Zhao, Zhikang Niu

arxiv:2507.03887 v1 · 2025-07-05 · 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{OBPX44YACGJ75HCH7Q4SPUBH6D}

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	2026-07-05T11:32:36.709028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705f7e73001193fe9c47fc3927d027f0d60457315b1ee9022bed260d8a28dbba

Aliases

arxiv: 2507.03887 · arxiv_version: 2507.03887v1 · doi: 10.48550/arxiv.2507.03887 · pith_short_12: OBPX44YACGJ7 · pith_short_16: OBPX44YACGJ75HCH · pith_short_8: OBPX44YA

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/OBPX44YACGJ75HCH7Q4SPUBH6D \
  | 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: 705f7e73001193fe9c47fc3927d027f0d60457315b1ee9022bed260d8a28dbba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "570554889f5c94b5e26ab7a76f8e409f50332e1e826d1fda05aac208e8890b28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-07-05T03:59:17Z",
    "title_canon_sha256": "bb9fe0d704d658e96c4c44586fe83b2d866a74cc539c7e825409de9dbb6878f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03887",
    "kind": "arxiv",
    "version": 1
  }
}