Zand En Zee

Recording by Wim Sonneveld.

Recording identifiers

ISRC
NLA307200293
CopyrightID (CopyrightChains transaction hash)
0xecb5f928c6dabf1e344034fc3c2c3da64a99ae79d7555e5f20936d6f4fbad3ad
Copyright registration time
2026-07-30T21:25:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:ceec81d68d1cf04808cd731f58579f6375a2e5ca91b4b93126b06dd12ff19563

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.