ROTTERDAM

Recording by Caza.

Recording identifiers

ISRC
NL5HJ2200379
CopyrightID (CopyrightChains transaction hash)
0x7ea9485fc028ece169dfef072690c922f1f7295362a96607d4d4fd90f460d4bc
Copyright registration time
2026-06-08T22:38:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ea24d7056f3c580dcc5195da736b9b26cb84a94fe13305b15d1aa72598b77ea7

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.