Twoism

Recording by Boards of Canada.

Recording identifiers

ISRC
GBBPW0200121
CopyrightID (CopyrightChains transaction hash)
0xefdeb408b4e71a8d1eb06fe2ab49d052bfa120e864ed52179fa6626559e95cb3
Copyright registration time
2026-06-06T15:59:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:b8f8b9be64a2b13ad39e92c175cf79692792d4046328707301130e832ea5f618

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.