さわやかな朝をむかえるために

Recording by Off Course.

Recording identifiers

ISRC
JPTO08300130
CopyrightID (CopyrightChains transaction hash)
0xcfb1b08066cc43bc875190b7a2640aca55bfa3d5b455f8d0784b92f04ef9001d
Copyright registration time
2026-07-30T00:47:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:10:20Z
Bitcoin block
960183
Canonical record hash
sha256:13cb91ecadfeb1996bc3bcb4aeeb5b85510fd7e82926d0cbbb73d20a7d75f76c

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.