ISRC ITZ040900137
Verified recording
ITZ040900137 is “Andrea Chénier / Act 2: "Calligrafia invero femminil!"” by Umberto Giordano,
registered on the CopyrightChains blockchain with CopyrightID
0x7b5d2799d7ed9cafca2a1dc6b16e40e79f868181d2945d79b10765150905a387 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040900137.
Recording identifiers
- ISRC
- ITZ040900137
- Title
- Andrea Chénier / Act 2: "Calligrafia invero femminil!"
- Artist
- Umberto Giordano
- CopyrightID (CopyrightChains transaction hash)
0x7b5d2799d7ed9cafca2a1dc6b16e40e79f868181d2945d79b10765150905a387
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:05144af4b7ff3c3e48ef31bb1f06ce6668222cf78bc9d9755ac3c2d0fed2b24b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ040900137
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Andrea Chénier / Act 2: "Calligrafia invero femminil!" · Machine-readable JSON-LD