Ii. Affettuoso

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199911205
CopyrightID (CopyrightChains transaction hash)
0x08f2fdf6f7f132f92457fd1942c7ef6391e6a38a97e8fe460495ccba24605b93

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:6a5f4b623218c9b06bd4df9c456f743aceb2146b87fed7c153ca2c9fbda99f28

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.