Tulpen Uit Amsterdam

Recording by Jo Vally.

Recording identifiers

ISRC
BEK019900306
CopyrightID (CopyrightChains transaction hash)
0xaa7b1cedd99b08d6c64c6541290a894cd2fe774c81e75eb11de389035beb0e66
Copyright registration time
2026-06-25T10:11:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4dbfbc6d2fd2295b39e8daec2dc1dc6626bd174475ab6e74ee7da263fa366802

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.