Half Blue

Recording by Sarah Tandy.

Recording identifiers

ISRC
FR10S1881324
CopyrightID (CopyrightChains transaction hash)
0xd32ac9ef39b0a630e21a4f554f54488604b0c16a62a53a1fb3970dd81bdb1054
Copyright registration time
2026-06-11T14:57:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3471dc6ce78e39853b234165828a70293ed44bfcbf26192ea7ac553dfaf23749

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.