When Sunny Gets Blue

Recording by McCoy Tyner.

Recording identifiers

ISRC
USMC16454262
CopyrightID (CopyrightChains transaction hash)
0x3b9f85b85840633acd30aa928db8d6c5280639765cb6b85f25ab1ae5837e2cdf
Copyright registration time
2026-06-01T13:00:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:68752a351e12035992f799f3516dcc3804adde4a1ec3000f73cc381229ab996b

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.