Blue without you

Recording by 檀健次.

Recording identifiers

ISRC
SE6QE2491939
CopyrightID (CopyrightChains transaction hash)
0x1751b46ca74b72bafc769de5ca36d34e3e43c41c6892c865b55d94db79b5e242
Copyright registration time
2026-06-22T12:04:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1b74ca2d8bef23b265b9061f43329189b90cac8fb1f826488498c2e23accb7d4

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.