Tu Solus, pt. 2

Recording by Josquin des Prez.

Recording identifiers

ISRC
FRZ131509290
CopyrightID (CopyrightChains transaction hash)
0xad9b1078b13d94db43b73b5b448fa0f2530d86df79cec7369b1a49a46acbbaf1
Copyright registration time
2026-07-07T15:22:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:de3fdcb92bc3b7d1e7bdbb230862c3606f817aa1d140aaafd6f44ea86b191f7a

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.