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
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3721513e1efeec2bac7312d50b70b6f1e831f7f46090076afb499d489b1c6af8

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.