Léta Bláznivá

Recording by Petra Janů.

Recording identifiers

ISRC
CZA168700596
CopyrightID (CopyrightChains transaction hash)
0x4125d45d28781d6555ee5c21d9691a20164c354d5e29efa083a184886f16beb1
Copyright registration time
2026-06-20T10:14:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8f947aebefbc7cd0bff0f88deb264192139d094368b4a0d1b74ab3033d959a2e

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.