ISRC DEB330077602
Verified recording
DEB330077602 is “String Quartet No. 1 (1974)” by Valentin Silvestrov,
registered on the CopyrightChains blockchain with CopyrightID
0x43d10c25d537ac55357b48754706e51485138d25b7f6233999d2a3d36582c039 and independently timestamped
in Bitcoin block 960330 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330077602.
Recording identifiers
- ISRC
- DEB330077602
- Title
- String Quartet No. 1 (1974)
- Artist
- Valentin Silvestrov
- CopyrightID (CopyrightChains transaction hash)
0x43d10c25d537ac55357b48754706e51485138d25b7f6233999d2a3d36582c039
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:58:21+00:00
- Bitcoin block
- 960330
- Canonical record hash
sha256:6df3c536b22065a0d343aa5024c908b6fb5dd86cfecf39691555d6bfe196092d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB330077602
- Bitcoin block existence check
- https://blockstream.info/api/block/960330
Full record
Track page: String Quartet No. 1 (1974) · Machine-readable JSON-LD