ISRC SEWDL0561207
Verified recording
SEWDL0561207 is “String Quartet No. 1, JW 7/8, "Kreutzer Sonata": III. Con moto - Vivo - Andante” by Endres Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0xfa0cc8dd389822da1d1b2094cf8bd58554a9d9c7bb1727579620e5642749c77b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0561207.
Recording identifiers
- ISRC
- SEWDL0561207
- Title
- String Quartet No. 1, JW 7/8, "Kreutzer Sonata": III. Con moto - Vivo - Andante
- Artist
- Endres Quartet
- CopyrightID (CopyrightChains transaction hash)
0xfa0cc8dd389822da1d1b2094cf8bd58554a9d9c7bb1727579620e5642749c77b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:83f5344208ba057f8c6f883520d1c899fe02cdedac64678a3fc26d19d76be22b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0561207
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1, JW 7/8, "Kreutzer Sonata": III. Con moto - Vivo - Andante · Machine-readable JSON-LD