Richard III., Op. 11, JB 1:70

Recording by Bedřich Smetana.

Recording identifiers

ISRC
CZD942400848
CopyrightID (CopyrightChains transaction hash)
0xba22c0396f280249b78558bb3848f0208f1f436e2817b9834985f203873c059f
Copyright registration time
2026-07-29T20:37:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:13:37Z
Bitcoin block
960145
Canonical record hash
sha256:5f90f5634132758094525e667b38f8cb0426acdc5bc7048753fb0e258e33b597

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.