Can't go back

Recording by Nao Kawamura.

Recording identifiers

ISRC
JPS809918818
CopyrightID (CopyrightChains transaction hash)
0xba21af62710991e02b7cd6dcff1e2e77702738afe9df85bb5ee330f5931ae145
Copyright registration time
2026-07-30T11:04:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28Z
Bitcoin block
960250
Canonical record hash
sha256:d6ec72d1f15c57c1fbeb18402e5f4e818afadf6c4d8a59648c6f9d8f6388bda1

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.