Cadenza

Recording by Marcin Wasilewski Trio.

Recording identifiers

ISRC
DEB331967803
CopyrightID (CopyrightChains transaction hash)
0x04fc7dba2babe1295ae17add93e09913aee8d1e938cee43657d840d093186d68
Copyright registration time
2026-07-29T17:36:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:64a5672b5688026ddd618918778950da0c141628012d48ec3a8fbdc8b15565bd

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.