ISRC GBLWD1603308
Verified recording
GBLWD1603308 is “String Quartet No. 3: II. Andante” by Grażyna Bacewicz,
registered on the CopyrightChains blockchain with CopyrightID
0x4063bfddd2fe195ea96d9d3cb36f038aaaf477c1451b3e4f7a905147e5b2c62e and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1603308.
Recording identifiers
- ISRC
- GBLWD1603308
- Title
- String Quartet No. 3: II. Andante
- Artist
- Grażyna Bacewicz
- CopyrightID (CopyrightChains transaction hash)
0x4063bfddd2fe195ea96d9d3cb36f038aaaf477c1451b3e4f7a905147e5b2c62e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:bd43e9742edd6ac6b61e5d059eba9cec2b9d77651094fc92e18c4e7f39ad8f53- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1603308
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: String Quartet No. 3: II. Andante · Machine-readable JSON-LD