7 Pieces, Op. 63: No. 3, Intermezzo II

Recording by Maurice Karkoff.

Recording identifiers

ISRC
SEBAA1302303
CopyrightID (CopyrightChains transaction hash)
0x6b4f93d2685daca4b58d07b4110da8a35c723225cda4e2b003dfb1bbe02ce710
Copyright registration time
2026-01-28T23:01:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b67715e59c3731cd1a8237975cdd2f4bdbdb7ffa5d9aba47a70b14a642df4ff5

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.