ISRC GBF077841703
Verified recording
GBF077841703 is “Tosca / Act 1: "Mario! Mario! Mario!"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x38699009c7cd06dfd6c9b507d19dc06e290ea48e153ba531e1c63704f1ad2bce and independently timestamped
in Bitcoin block 959100 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077841703.
Recording identifiers
- ISRC
- GBF077841703
- Title
- Tosca / Act 1: "Mario! Mario! Mario!"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x38699009c7cd06dfd6c9b507d19dc06e290ea48e153ba531e1c63704f1ad2bce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T05:29:55+00:00
- Bitcoin block
- 959100
- Canonical record hash
sha256:284005b2c744f2bd88f38d829efb9d1397d43287c25c9c4e119bc6c3b0fefd40- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077841703
- Bitcoin block existence check
- https://blockstream.info/api/block/959100
Full record
Track page: Tosca / Act 1: "Mario! Mario! Mario!" · Machine-readable JSON-LD