ISRC USR270401203
Verified recording
USR270401203 is “Kaz Hayashi '01” by OXES,
registered on the CopyrightChains blockchain with CopyrightID
0x3873b09df2944ec1b97636cdfc24d15cd1e91ea00cc6a5fa676a7eb8d31b977b and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USR270401203.
Recording identifiers
- ISRC
- USR270401203
- Title
- Kaz Hayashi '01
- Artist
- OXES
- CopyrightID (CopyrightChains transaction hash)
0x3873b09df2944ec1b97636cdfc24d15cd1e91ea00cc6a5fa676a7eb8d31b977b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:6160ebeee74a2847310f2cbbc10555b624534d2d0087fafba325e7c9fbd87d2b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USR270401203
- Bitcoin block existence check
- https://blockstream.info/api/block/960247