Masquerade Suite: Maskarad (Masquerade): I. Waltz

Recording by St. Petersburg State Symphony Orchestra.

Recording identifiers

ISRC
HKI199245309
CopyrightID (CopyrightChains transaction hash)
0x9295c4a4e9ced41dd712b359806ecc2d144db634603969003824b2a33c1f7efc
Copyright registration time
2026-06-04T06:38:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e88f4145daf67c50940af0c1d1ebec46c986c6e0c1cb91a79edcca4f97cc144a

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.