ISRC GBAYC1800021
Verified recording
GBAYC1800021 is “Piano Concerto No. 25 in C Major, K. 503: III. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xee3b4b151ebe9cd120a65b7ebdda987d6ab3580cc79843d8c02a4194bd86a51b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1800021.
Recording identifiers
- ISRC
- GBAYC1800021
- Title
- Piano Concerto No. 25 in C Major, K. 503: III. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xee3b4b151ebe9cd120a65b7ebdda987d6ab3580cc79843d8c02a4194bd86a51b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b6c7411043d6c4624e41a44f1f4bffe3197d1be1e87790073d3859deefac9afa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1800021
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Concerto No. 25 in C Major, K. 503: III. Allegretto · Machine-readable JSON-LD