ISRC US83Z2505535
Verified recording
US83Z2505535 is “Extrema” by Tonaco,
registered on the CopyrightChains blockchain with CopyrightID
0x0e9b404312e8443ee35afadbf663a2e4b36a55e52b8c608d4fdced741e6e582b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2505535.
Recording identifiers
- ISRC
- US83Z2505535
- Title
- Extrema
- Artist
- Tonaco
- CopyrightID (CopyrightChains transaction hash)
0x0e9b404312e8443ee35afadbf663a2e4b36a55e52b8c608d4fdced741e6e582b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9dd9b490598743c1b81f7cea36d5435c7bf5e44c811820ad781af75ad9a83722- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2505535
- Bitcoin block existence check
- https://blockstream.info/api/block/956304