きかせて

Recording by Off Course.

Recording identifiers

ISRC
JPTO08015980
CopyrightID (CopyrightChains transaction hash)
0x8bdf30a1a992df3b010a1c0f525635f85222ded9d32dc8e1f67e32f775cc3365
Copyright registration time
2026-06-09T12:31:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6016a65fca43dbc3c68bf074be623ae92841016b181dc8c37edcebe2a664cdc9

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.