Bilderdijkkade Amsterdam

Recording by Thomas Köner.

Recording identifiers

ISRC
QM2PV1587236
CopyrightID (CopyrightChains transaction hash)
0x4711442cde9666a7e5e5e82b973203b7571f5566e5c3e9d96d5b5d6c150a7b96
Copyright registration time
2026-07-07T22:04:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:50b023ab5f3df3b86bf519957d984797b5d16851e773f3b67a4d8b55ebf84932

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.