ISRC USSM15500068
Verified recording
USSM15500068 is “Sometimes I'm Happy” by Dave Brubeck,
registered on the CopyrightChains blockchain with CopyrightID
0x456670b9edfdad496b7552aa2adebdccb209cea3bdaedcaa47211af8795f84a8 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15500068.
Recording identifiers
- ISRC
- USSM15500068
- Title
- Sometimes I'm Happy
- Artist
- Dave Brubeck
- CopyrightID (CopyrightChains transaction hash)
0x456670b9edfdad496b7552aa2adebdccb209cea3bdaedcaa47211af8795f84a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:cc8381ecb5db1e9267a3bbff34471358c963d4bd47c66c1160fa6054eb221457- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM15500068
- Bitcoin block existence check
- https://blockstream.info/api/block/960381