ISRC DEF057930706
Verified recording
DEF057930706 is “Tosca, Act I: Recondita armonia – Scherza coi fanti e lascia stare i santi” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x125d5ddd4ba0ce2e0ab3949a5a1d0b10b87ad655df8e800219c32fd8c566c4f5 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/DEF057930706.
Recording identifiers
- ISRC
- DEF057930706
- Title
- Tosca, Act I: Recondita armonia – Scherza coi fanti e lascia stare i santi
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x125d5ddd4ba0ce2e0ab3949a5a1d0b10b87ad655df8e800219c32fd8c566c4f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:a3e4bf652d743f233057a1f564bb1497db8c24998a02aae9edb70137afb44b33- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930706
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tosca, Act I: Recondita armonia – Scherza coi fanti e lascia stare i santi · Machine-readable JSON-LD