ISRC FR7JM1756150
Verified recording
FR7JM1756150 is “String Quartet No. 3 "Jagdquartett"” by Jörg Widmann,
registered on the CopyrightChains blockchain with CopyrightID
0xae0b54dd2798318b4042a9e3c39dd3140467518f8ee3f45553f47f92c8951d73 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1756150.
Recording identifiers
- ISRC
- FR7JM1756150
- Title
- String Quartet No. 3 "Jagdquartett"
- Artist
- Jörg Widmann
- CopyrightID (CopyrightChains transaction hash)
0xae0b54dd2798318b4042a9e3c39dd3140467518f8ee3f45553f47f92c8951d73
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:a586b8383f4834c1c8dd5a94c60e6e7a929a9fecff005a9eb06646e2195f3e9e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1756150
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: String Quartet No. 3 "Jagdquartett" · Machine-readable JSON-LD