Virtuous Circle

Recording by King Crimson.

Recording identifiers

ISRC
GBCTX2100276
CopyrightID (CopyrightChains transaction hash)
0xf27cebb6a5a128be27a2848f9b9c4e31c568d8e9c303df7fa36935667e3d8e93
Copyright registration time
2026-07-06T04:30:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:cf34f97be3b6d700ebe771c2384405c1734207303c9a6a15a1aabb2d688cd7a0

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.