桜坂 2024

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPPO02400974
CopyrightID (CopyrightChains transaction hash)
0x922be1ede4c6a2bcd54616a11e9afd407c87267cec6304f68da332e3b3c438c2
Copyright registration time
2026-06-10T03:04:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:aa4e2386d23261a865a13b99cc478f767603352a482ee2d52a0f45fd09f16614

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.