ISRC FR9W15300130
Verified recording
FR9W15300130 is “Tosca, SC 69, Act II Scene 5: "Vissi d'arte, vissi d'amore" (Tosca) [Unpublished Recording, New York, 1956]” by Maria Callas,
registered on the CopyrightChains blockchain with CopyrightID
0xd92974d20d7ccb974fb00838f1a8fd8e55ce5e10ae5901533ba7558b93e31aa8 and independently timestamped
in Bitcoin block 957145 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W15300130.
Recording identifiers
- ISRC
- FR9W15300130
- Title
- Tosca, SC 69, Act II Scene 5: "Vissi d'arte, vissi d'amore" (Tosca) [Unpublished Recording, New York, 1956]
- Artist
- Maria Callas
- CopyrightID (CopyrightChains transaction hash)
0xd92974d20d7ccb974fb00838f1a8fd8e55ce5e10ae5901533ba7558b93e31aa8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T08:56:20+00:00
- Bitcoin block
- 957145
- Canonical record hash
sha256:cfb9c4f41638fd11126c5c3a5218bd2c54538cfc72ab53ade63e13163d5bc1e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W15300130
- Bitcoin block existence check
- https://blockstream.info/api/block/957145
Full record
Track page: Tosca, SC 69, Act II Scene 5: "Vissi d'arte, vissi d'amore" (Tosca) [Unpublished Recording, New York, 1956] · Machine-readable JSON-LD