ISRC DEF057930707
Verified recording
DEF057930707 is “Tosca, Act I: Mario! Mario! Mario! – Non la sospiri la nostra casetta” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x8d7dde4a887113bbb60ae93b3101e78165ca3380bf6972899f9f542511cbca32 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/DEF057930707.
Recording identifiers
- ISRC
- DEF057930707
- Title
- Tosca, Act I: Mario! Mario! Mario! – Non la sospiri la nostra casetta
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x8d7dde4a887113bbb60ae93b3101e78165ca3380bf6972899f9f542511cbca32
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c67f9b03a40f0bb046b23e787aacb136dcd602c371683ce9b25313fdf7eaee75- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930707
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tosca, Act I: Mario! Mario! Mario! – Non la sospiri la nostra casetta · Machine-readable JSON-LD