8 Pieces for Guitar: No. 1, Overture

Recording by Jan Antonín Losy.

Recording identifiers

ISRC
CZA160501604
CopyrightID (CopyrightChains transaction hash)
0x2d0fa3a12ec57dbcabed4cb4c1b2af6dfc7d2ef3c5d14f092fca167f954b0720
Copyright registration time
2026-07-07T19:00:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:06d5fe21fd74437351f9afaaafad35abae59ed4394843c53247b3f4477494fe5

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.