ISRC SEWDL0561208
Verified recording
SEWDL0561208 is “String Quartet No. 1, JW 7/8, "Kreutzer Sonata": IV. Con moto - Adagio” by Endres Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x0ea2298e295737fccf74c47d5b36cdfa32839abf5df324fd860384b64c8d25dc 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/SEWDL0561208.
Recording identifiers
- ISRC
- SEWDL0561208
- Title
- String Quartet No. 1, JW 7/8, "Kreutzer Sonata": IV. Con moto - Adagio
- Artist
- Endres Quartet
- CopyrightID (CopyrightChains transaction hash)
0x0ea2298e295737fccf74c47d5b36cdfa32839abf5df324fd860384b64c8d25dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:99560fdc153626100d98e4a31392efa935ded3d161ce7642eedd5bf26b2348b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0561208
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1, JW 7/8, "Kreutzer Sonata": IV. Con moto - Adagio · Machine-readable JSON-LD