流れゆく時の中で

Recording by Off Course.

Recording identifiers

ISRC
JPTO00500141
CopyrightID (CopyrightChains transaction hash)
0x9c11c638d4a04ac1f12d067db16d249d45ddb4e21336a8811e55046b2e9467fe
Copyright registration time
2026-06-23T19:41:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8835f65e881c40ca3d94a5bd73669f89068f875adb3bb7d4d00f5289a7db2c22

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.