DOWN TOWN

Recording by Yu Sakai.

Recording identifiers

ISRC
JPPO02300473
CopyrightID (CopyrightChains transaction hash)
0xb3dd05391d8fcba037f13d8843b6b343869f0e5bb9e5d808c7477de7fd63512d
Copyright registration time
2026-06-08T13:23:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3afaaec29f328505e54f4e64ba14553b13da9edd00e15640373d4222cf783089

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.