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
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:7a8f2961011a37f859a72e9597a92b5aeb172d8a29f62f8f96894b94d596f5c9

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.