Tulpen aus Amsterdam

Recording by Ralf Arnie.

Recording identifiers

ISRC
CH6540866498
CopyrightID (CopyrightChains transaction hash)
0x09987f67d0e0e9c03c9ed3a5ae29fdf3496683d0dc31c9130371dff42059cc7a
Copyright registration time
2026-07-06T22:37:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4d4b9d77b49a3b50ff35bde794cdd6329b394bd58b8f6927111a6f6c87bdb283

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.