My Country, JB 1:112: No. 2, Vltava

Recording by Bedřich Smetana.

Recording identifiers

ISRC
CZA161001781
CopyrightID (CopyrightChains transaction hash)
0x67a345f978f93e7ec6d92ed0cb340a615bd82029bb7a30109c0cf1634f585356
Copyright registration time
2026-07-06T23:13:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:669eba05aa6620d6f68b8134e3cad2c82dd9907355f338f158e756a425d7bd95

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.