Tambourijn - Rondo

Recording by Marjolein de Wit.

Recording identifiers

ISRC
NLL6R1600312
CopyrightID (CopyrightChains transaction hash)
0x685283758320d89796887040e59147c8fe1dfe6a4e44dcb95ba012017cb65e2a
Copyright registration time
2026-07-07T07:02:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a3469174afb5c12f279b4cb10c97dc5526215621b981145197335f30248be017

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.