Deep Blue

Recording by Keiko Matsui.

Recording identifiers

ISRC
USNA10218710
CopyrightID (CopyrightChains transaction hash)
0xd913a1d0653f06dbb28296ec04eadf1e3b0c366929b0e901994e912e5da4bcdc
Copyright registration time
2026-06-24T13:23:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ad1917b5afaff30e041de91964b63e96ee7912055e86bd88f9446b40610b047d

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.