oyasumi

Recording by YU-A.

Recording identifiers

ISRC
JPN001200141
CopyrightID (CopyrightChains transaction hash)
0x23db7801ba56c05180bd994336b694326238cfd611c4e2a20c28e9a6ee7a358b
Copyright registration time
2026-07-07T06:14:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e23b3309c5f04e4966cc820ca92324d963eb73f7d1dfacdc0d5eb2c5b027ce2a

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.