Co s tim delat muzu

Recording by Frantisek Nedved.

Recording identifiers

ISRC
CZA120203013
CopyrightID (CopyrightChains transaction hash)
0x1aa63e49ea01119836b0a135d6d9aecc25b4025f8ff8f2da32a579c4e538903d
Copyright registration time
2026-06-22T15:05:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bba25432f178f2ab22ee1118cc1c0ec1e891d56d34ebced965faf9bc9f02d116

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.