ISRC ITB261400480

Verified recording

ITB261400480 is “La Mazurka del Misantropo” by John De Leo, registered on the CopyrightChains blockchain with CopyrightID 0x7ff3cce7c09d26743c07106fbe251309acac510c8c8e035b2086c50e400dce74 and independently timestamped in Bitcoin block 960291 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITB261400480.

Recording identifiers

ISRC
ITB261400480
Title
La Mazurka del Misantropo
Artist
John De Leo
CopyrightID (CopyrightChains transaction hash)
0x7ff3cce7c09d26743c07106fbe251309acac510c8c8e035b2086c50e400dce74

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33+00:00
Bitcoin block
960291
Canonical record hash
sha256:767c219d5fa705b615802de20b49327d58596b492c4f4563e012289cc890250b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITB261400480
Bitcoin block existence check
https://blockstream.info/api/block/960291

Full record

Track page: La Mazurka del Misantropo · Machine-readable JSON-LD