ISRC USUM72215139
Verified recording
USUM72215139 is “I Ain’t Got No Heart - Live In Ljubljana, November 22, 1975” by Frank Zappa,
registered on the CopyrightChains blockchain with CopyrightID
0x4edf26b269569df154e25946f2625dcd96c247beace739200de6744bfc08d391 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/USUM72215139.
Recording identifiers
- ISRC
- USUM72215139
- Title
- I Ain’t Got No Heart - Live In Ljubljana, November 22, 1975
- Artist
- Frank Zappa
- CopyrightID (CopyrightChains transaction hash)
0x4edf26b269569df154e25946f2625dcd96c247beace739200de6744bfc08d391
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:896fecd335e5041ebc554367de02a5a621db4e7c0166709f7e952171763bf76d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72215139
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: I Ain’t Got No Heart - Live In Ljubljana, November 22, 1975 · Machine-readable JSON-LD