BLUE PERIOD

Recording by Yaffle.

Recording identifiers

ISRC
JPT592410452
CopyrightID (CopyrightChains transaction hash)
0x5a5a7e2119c66e6a75f013514dfee3202f67a773ed61c923d9aa8f9b69bd4bdc
Copyright registration time
2026-07-06T22:13:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4464cba3eb114b23ee8bdd3b38c35db77233c045df8ce05fc5d21c22ad982243

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.