7 Pieces, Op. 63: No. 6, Intermezzo IV

Recording by Maurice Karkoff.

Recording identifiers

ISRC
SEBAA1302306
CopyrightID (CopyrightChains transaction hash)
0x0acc60cab8144fcd2a66d5db6e0c59ab4c348591a0d2900d6bdf764f71d2b40f
Copyright registration time
2026-01-28T20:12:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d05431ec90c42ee1249648bc94a1546754bbe6dfd2d09dba75aa97010526e99f

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.