ISRC USUM72215145
Verified recording
USUM72215145 is “Carolina Hard-Core Ecstasy - Live In Zagreb, November 21, 1975” by Frank Zappa,
registered on the CopyrightChains blockchain with CopyrightID
0x7e8c35718871ddd8235f93e9996114ba624256db7d9523ab7f28c52899f17287 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72215145.
Recording identifiers
- ISRC
- USUM72215145
- Title
- Carolina Hard-Core Ecstasy - Live In Zagreb, November 21, 1975
- Artist
- Frank Zappa
- CopyrightID (CopyrightChains transaction hash)
0x7e8c35718871ddd8235f93e9996114ba624256db7d9523ab7f28c52899f17287
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:6c7ada0d7af09d65017fae53b97e09f2def16b4f9a9cd701e822c8fa67920512- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72215145
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Carolina Hard-Core Ecstasy - Live In Zagreb, November 21, 1975 · Machine-readable JSON-LD