Na Sedm Strun Budu Hrát

Recording by Karel Hála.

Recording identifiers

ISRC
CZA166900549
CopyrightID (CopyrightChains transaction hash)
0xd1d83642049a19663c3d99a26caa56ad8ef504a71cc018afd54fe20d2249894e
Copyright registration time
2026-06-19T14:48:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3c3708eccd4b319f703391cd9eb0d73ef35f04520de2944f2b225664cc37f002

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.