Grande Valse Brillante

Recording by Michał Bajor.

Recording identifiers

ISRC
PLB171300049
CopyrightID (CopyrightChains transaction hash)
0xa0e5d385250362ed317c70a5117a9dde3812e89ec6cf2a984a008c119ba1a5d9
Copyright registration time
2026-06-10T08:47:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f17099179382e0f197269396f331e732e0093147fd6fa5b22c139a56a1b003e3

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.