ISRC GBBBA7750490
Verified recording
GBBBA7750490 is “Piano Concerto No. 25 in C, K.503: 3. Allegretto - Live” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc7e1607cd0c42d7e640a6621b5aadca0fad1e4d7fdf39f27e6b7134270461015 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/GBBBA7750490.
Recording identifiers
- ISRC
- GBBBA7750490
- Title
- Piano Concerto No. 25 in C, K.503: 3. Allegretto - Live
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc7e1607cd0c42d7e640a6621b5aadca0fad1e4d7fdf39f27e6b7134270461015
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1b0c46c640d8e4576dd4886d0573754db0b4dfa1a5ac62f775bd6b06db2139d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA7750490
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 25 in C, K.503: 3. Allegretto - Live · Machine-readable JSON-LD