ISRC US3M82306525
Verified recording
US3M82306525 is “Mandatory Blues” by John La Barbera Big Band,
registered on the CopyrightChains blockchain with CopyrightID
0xecdc5f262c1662af7d653114c75ff029553346d3a2bfa90c6530bff307c7f0d9 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M82306525.
Recording identifiers
- ISRC
- US3M82306525
- Title
- Mandatory Blues
- Artist
- John La Barbera Big Band
- CopyrightID (CopyrightChains transaction hash)
0xecdc5f262c1662af7d653114c75ff029553346d3a2bfa90c6530bff307c7f0d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:3ff39da12765d888a08b22a8173faf7434c071beb91815a372eb2a12d6e9a28d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M82306525
- Bitcoin block existence check
- https://blockstream.info/api/block/960500