Sonate No. 2: I. Prelude

Recording by August Kuhnel.

Recording identifiers

ISRC
NLY330801868
CopyrightID (CopyrightChains transaction hash)
0xfd0dd8dd47b4d9db7f3cdce3cc2dc5ee6f9e65e51cffc5898adb9e569291beb5
Copyright registration time
2026-07-07T15:40:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:240ac10d37837c4235929bce7cdea873056ccbbb6d0b59dde46f9b6535b7a3b3

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.