Amsterdam

Recording by Jean-François Zygel.

Recording identifiers

ISRC
FRZ051700477
CopyrightID (CopyrightChains transaction hash)
0xf83c64c459717d04c98c7315ec8f050d20b813b510ec22fe7377d2d394c79db8
Copyright registration time
2026-07-06T09:22:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:6fafc0c943e6fb1ae4ecfac8d10b711b0c56d8bc1b3d09e2edb40ff59f987562

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.