IV. Rondo. Tempo giusto

Recording by Emil von Sauer.

Recording identifiers

ISRC
DEB262400544
CopyrightID (CopyrightChains transaction hash)
0x7eed36e6e03f16df8e9850c04df1d6662eb26c74472fee1bbbef4065cffa0486
Copyright registration time
2026-07-06T08:58:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:e05fbd4b7ede4c36fda6d38d67b9da45db6c691025e0e1a4824555981da55070

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.