Romance in B-Flat Major

Recording by Joseph Joachim.

Recording identifiers

ISRC
HKI199222423
CopyrightID (CopyrightChains transaction hash)
0x69ed19055bf050a95578cae78baf18f8c51b19c6002651b1fd25d26abe6edf9d
Copyright registration time
2026-07-07T22:34:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c01b7be952b6fb5ad26c14dc6669656fbb88f28df336199261eed295c27baec7

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.