ISRC FRU621841405
Verified recording
FRU621841405 is “String Quartet in A Minor: II. Scherzo. Allegro vivo, con spirito” by Fritz Kreisler,
registered on the CopyrightChains blockchain with CopyrightID
0xaabec754580e4fbcbdd08d562d19f334f7bc9e1ac2f645fe00a4f92f4e873d4a 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/FRU621841405.
Recording identifiers
- ISRC
- FRU621841405
- Title
- String Quartet in A Minor: II. Scherzo. Allegro vivo, con spirito
- Artist
- Fritz Kreisler
- CopyrightID (CopyrightChains transaction hash)
0xaabec754580e4fbcbdd08d562d19f334f7bc9e1ac2f645fe00a4f92f4e873d4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:bba9fae46b347de1f9935584636a1b70d7868bee57faea51db3c0bf1047d687c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621841405
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: String Quartet in A Minor: II. Scherzo. Allegro vivo, con spirito · Machine-readable JSON-LD