Circular Shades

Recording by Christophe Zurfluh.

Recording identifiers

ISRC
FR6V82313139
CopyrightID (CopyrightChains transaction hash)
0xe4fd8138e1b5be9b67aba2861fa7e81e9ef9a4e30dc91064e0a811cae3eb6cc1
Copyright registration time
2026-06-24T21:33:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0678ed8f826897f349164493f1b6f0e61b57991c16a048e4ba0d435391edd8d2

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.