Píseň Ofelie

Recording by Waldemar Matuška.

Recording identifiers

ISRC
CZA166700044
CopyrightID (CopyrightChains transaction hash)
0x3ecc46a5905305cb810fa32491671a10e17766e6c4b43aa883af84893f36f124
Copyright registration time
2026-07-30T08:01:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:30:10Z
Bitcoin block
960229
Canonical record hash
sha256:095e58df114522a65e6e263187fc081eaca63077904f71ee140215fe0702f633

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.