言葉にできない

Recording by Off Course.

Recording identifiers

ISRC
JPTO08300870
CopyrightID (CopyrightChains transaction hash)
0xb886474bd57d7c78bdd05f4d2e14f136ddfd1dca24570dc594c8b59dba50be5b
Copyright registration time
2026-06-04T11:58:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:4e09d1bb62fc847146a78181f44c4f38a5004c4f27e9b33205777e2e35448a98

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.