ISRC USUM72215135
Verified recording
USUM72215135 is “The Poodle Lecture - Live In Zagreb, November 21, 1975” by Frank Zappa,
registered on the CopyrightChains blockchain with CopyrightID
0xc2cf8f9e187ef57a1ca478490e4bb463f2b0efa1b50b78a4f98be67880e2b62f and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72215135.
Recording identifiers
- ISRC
- USUM72215135
- Title
- The Poodle Lecture - Live In Zagreb, November 21, 1975
- Artist
- Frank Zappa
- CopyrightID (CopyrightChains transaction hash)
0xc2cf8f9e187ef57a1ca478490e4bb463f2b0efa1b50b78a4f98be67880e2b62f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:c9e38bf831f33315baff151ac95fe926defd1a48cd13fd6eee53a9e60bee7441- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72215135
- Bitcoin block existence check
- https://blockstream.info/api/block/960163
Full record
Track page: The Poodle Lecture - Live In Zagreb, November 21, 1975 · Machine-readable JSON-LD