ISRC GBLWD9814204
Verified recording
GBLWD9814204 is “Sinfonia concertante for Violin and Viola, K. 364: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb4d65f0c89deaae056e4fe9582137efbd7a7fb8edec9972ec2ad73b7f6bc4988 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/GBLWD9814204.
Recording identifiers
- ISRC
- GBLWD9814204
- Title
- Sinfonia concertante for Violin and Viola, K. 364: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb4d65f0c89deaae056e4fe9582137efbd7a7fb8edec9972ec2ad73b7f6bc4988
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8204bc1a930a81eeb493c89b0c0ed4662c7047f978abf5a8d51278191aa5da02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9814204
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sinfonia concertante for Violin and Viola, K. 364: I. Allegro maestoso · Machine-readable JSON-LD