blue blur feat. mabanua

Recording by Ryu Matsuyama.

Recording identifiers

ISRC
JPVP02206701
CopyrightID (CopyrightChains transaction hash)
0x9f6ab5077a1fdac16c19e680db5db2c5611dd046f5b3999eebf2e995df18982a
Copyright registration time
2026-06-07T21:06:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:6d49568c5ad80243ed8d59c78e4cc7f5ffe42811915fa71f8bef22cecb38ac9d

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.