Guitar Concerto: III.

Recording by Erland von Koch.

Recording identifiers

ISRC
SEAGA9524030
CopyrightID (CopyrightChains transaction hash)
0xca00e31e329ef72b30a808fbdf4a07a9f95d2f2b81a34a1a0806e987e4afd9b3
Copyright registration time
2026-01-28T20:22:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c0120dccbe0ba77cb70439a5450f94b4a6e2f87ffd12d5a61949d1e4f8c2256e

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.