ISRC USC4R0300415
Verified recording
USC4R0300415 is “Yesterdays - Live” by The Dave Brubeck Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x55171318461dc76a14d8d1dedef218f1225d82613e40f19940343e9bd05007bf and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R0300415.
Recording identifiers
- ISRC
- USC4R0300415
- Title
- Yesterdays - Live
- Artist
- The Dave Brubeck Quartet
- CopyrightID (CopyrightChains transaction hash)
0x55171318461dc76a14d8d1dedef218f1225d82613e40f19940343e9bd05007bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:f2d86e43d7e58da6caacfcc5e9f8f099a71b1a6e40bfa36acc06d0147f8f0129- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R0300415
- Bitcoin block existence check
- https://blockstream.info/api/block/960448