ISRC FR9W15500216
Verified recording
FR9W15500216 is “Madama Butterfly, SC 74, Act I: "Ah! quanto cielo! quanto mar!" (Chorus, Butterfly, Goro)” by Maria Callas,
registered on the CopyrightChains blockchain with CopyrightID
0x614d88084e13049c24242d58280921e77a4019554ca4bf4ca253df5dbcecb8e9 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W15500216.
Recording identifiers
- ISRC
- FR9W15500216
- Title
- Madama Butterfly, SC 74, Act I: "Ah! quanto cielo! quanto mar!" (Chorus, Butterfly, Goro)
- Artist
- Maria Callas
- CopyrightID (CopyrightChains transaction hash)
0x614d88084e13049c24242d58280921e77a4019554ca4bf4ca253df5dbcecb8e9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:45ef7037c7d55948a701fd5d8059577e50b4026d088cbc3e342213f605d1dacd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W15500216
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Madama Butterfly, SC 74, Act I: "Ah! quanto cielo! quanto mar!" (Chorus, Butterfly, Goro) · Machine-readable JSON-LD