君におくる歌

Recording by Off Course.

Recording identifiers

ISRC
JPTO08123460
CopyrightID (CopyrightChains transaction hash)
0x323e0bbf1c48f9f785802ab232fcfed08ff9615495c1b07b2f13f5c71a6611e8
Copyright registration time
2026-06-10T23:11:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:9d9435f9bbc8ae2d4f031204e04e598dcc9ea57aa54355219dfa10520c3825ee

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.