ISRC USSM18300322
Verified recording
USSM18300322 is “Defune” by Haseo Sugiyama,
registered on the CopyrightChains blockchain with CopyrightID
0xad04efa4aa3a9968fa9509c56977d36976702a7db10f731b4a7649140e97c55a and independently timestamped
in Bitcoin block 959155 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300322.
Recording identifiers
- ISRC
- USSM18300322
- Title
- Defune
- Artist
- Haseo Sugiyama
- CopyrightID (CopyrightChains transaction hash)
0xad04efa4aa3a9968fa9509c56977d36976702a7db10f731b4a7649140e97c55a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:43:41+00:00
- Bitcoin block
- 959155
- Canonical record hash
sha256:7ae4cb8d69b7418f8456cb5ce9ad4a1cee9889fd0fdc9c9085af0c37109cc176- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300322
- Bitcoin block existence check
- https://blockstream.info/api/block/959155