Cleofide: Act I: Overture

Recording by Johann Adolf Hasse.

Recording identifiers

ISRC
US2TL0901401
CopyrightID (CopyrightChains transaction hash)
0x720740a9e8b1203d12078dda955087fe7e9f670001b716c83782b5d4ed8429ec
Copyright registration time
2026-07-31T09:40:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:54:03Z
Bitcoin block
960384
Canonical record hash
sha256:deb2b9a3c51d5c1ad24cbc910ec045623a794178e32550a7c5e5f559fec04d44

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.