Amsterdam

Recording by Martin van Lectro.

Recording identifiers

ISRC
DEML72400094
CopyrightID (CopyrightChains transaction hash)
0x31818b45eb07e59ab408d1d43ca468d2ef20a40273e585ccd8114360bb782f15
Copyright registration time
2026-06-07T13:53:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:555a7a38f468b7b64f4c0f0217a22344bf5c1c83ec4dc574c0540f93d9b10b96

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.