De Zomerzon

Recording by Koos Alberts.

Recording identifiers

ISRC
NLA249600136
CopyrightID (CopyrightChains transaction hash)
0x1148bde21c21c8386a0d054c3caf690d0bb32c31f95379cb04c0715ca5c3ceb9
Copyright registration time
2026-07-03T03:53:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cfa4828b4dac820a9aee5fbd785c74f65d7b99e54da2745830a9c7c3b81f7e25

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.