Jazz Suite: II. Lyrical Waltz

Recording by Alexander Tsfasman.

Recording identifiers

ISRC
FRZ132413090
CopyrightID (CopyrightChains transaction hash)
0x843678456caa511962b88e0bb0f95902f709e63639a2e1b0ea35bf63a8e1fe22
Copyright registration time
2026-06-08T04:16:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:40e62bd301fc0a5d26cb93aebf7b257bc10df77f4181a7e5eb19e2046b991fd1

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.