7 Pieces, Op. 63: No. 2, Intermezzo I

Recording by Maurice Karkoff.

Recording identifiers

ISRC
SEBAA1302302
CopyrightID (CopyrightChains transaction hash)
0x3b98b433e447ae862ab0cdca15cbabe96c28a911555b1a231fa7014d564b9f53
Copyright registration time
2026-01-28T18:44:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:da5450723fb98fecb1e677f2b6a02aaa811a89a6284e068428c349329fbb7369

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.