M.A.Y. in the Backyard

Recording by Ryuichi Sakamoto.

Recording identifiers

ISRC
USA6D1110407
CopyrightID (CopyrightChains transaction hash)
0x07707d25764b6838d435636a081fafe4ef9b8e30c4a730249241f6a5b786c440
Copyright registration time
2026-06-04T16:37:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9ba55751ef78d631579078db6a48e8c58234df7c6c6688d4bb5b4c1f832f5f0d

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.