Vignette

Recording by Marcin Wasilewski Trio.

Recording identifiers

ISRC
DEB330701902
CopyrightID (CopyrightChains transaction hash)
0xffb5b00d865a70fc7a5d4013f862d1a44d2516026a30b2fcfff028b183d6c95b
Copyright registration time
2026-06-09T15:24:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:818471351ad6f71f2d56fe2c12ef27d0b03464db24dadf7c1f6a4032f6be3669

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.