ISRC SEWDL0561205
Verified recording
SEWDL0561205 is “String Quartet No. 1, JW 7/8, "Kreutzer Sonata": I. Adagio - Con moto” by Endres Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x092ce8d19219a746c560c1762adcef25d3d7b990e6438b0d536772654dc08eaf and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0561205.
Recording identifiers
- ISRC
- SEWDL0561205
- Title
- String Quartet No. 1, JW 7/8, "Kreutzer Sonata": I. Adagio - Con moto
- Artist
- Endres Quartet
- CopyrightID (CopyrightChains transaction hash)
0x092ce8d19219a746c560c1762adcef25d3d7b990e6438b0d536772654dc08eaf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:6c87731c24853d8edf965bb58261bf8122a235e4ce8e4c6bdc4c79455da73227- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0561205
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: String Quartet No. 1, JW 7/8, "Kreutzer Sonata": I. Adagio - Con moto · Machine-readable JSON-LD