1+1=3

Recording by Tim Douwsma.

Recording identifiers

ISRC
NLPH91900004
CopyrightID (CopyrightChains transaction hash)
0xb14b27050032aff09bbdbd2f48c433325f8dd9fbed62e2d5b6d1ca1958ae3e1e
Copyright registration time
2026-06-26T06:31:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:343cc5d537e8883bfc9b6275e0a0c49781fc0e474d09c22218f8921b3f9d8ec3

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.