ISRC GBUM71007921
Verified recording
GBUM71007921 is “Medley: Mattinata - Wien, Wien, nur du allein - Amapola - 'O sole mio” by Ruggero Leoncavallo,
registered on the CopyrightChains blockchain with CopyrightID
0x475c773863bd653560672980ac428d3777da86fe3d1445c26e04fbbeb76c0416 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71007921.
Recording identifiers
- ISRC
- GBUM71007921
- Title
- Medley: Mattinata - Wien, Wien, nur du allein - Amapola - 'O sole mio
- Artist
- Ruggero Leoncavallo
- CopyrightID (CopyrightChains transaction hash)
0x475c773863bd653560672980ac428d3777da86fe3d1445c26e04fbbeb76c0416
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:7877213c7c571aad3459f6d3b3fa176a9fd423d6d7b961dbc45ce2af66a53bbb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71007921
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Medley: Mattinata - Wien, Wien, nur du allein - Amapola - 'O sole mio · Machine-readable JSON-LD