Sapphire Blue

Recording by Katy B.

Recording identifiers

ISRC
GBARL1301558
CopyrightID (CopyrightChains transaction hash)
0xb19e5026db91de75b9b177edc00f2eb2400af266b24b488104e18e8a1bd958ec
Copyright registration time
2026-06-22T16:45:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c5ef1cd4f75610cbdc8bf9cfeacd93bbdad8f864595008556c8eba785ab9a75b

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.