Master's Apprentices

Recording by Opeth.

Recording identifiers

ISRC
GBCKC0200330
CopyrightID (CopyrightChains transaction hash)
0xc03a39c61bcd5df3b53e23de2b4b542515b7677f50f8b3200c1f5084e0f457c8
Copyright registration time
2026-07-06T10:12:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37Z
Bitcoin block
957067
Canonical record hash
sha256:daedd7a83870a14845b62a3501065388b060369484a9681131d036b129447618

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.