IV. Double: Presto

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI190782108
CopyrightID (CopyrightChains transaction hash)
0xeed5b5dfa6e8ef494886b80dba9c4ea04574638b433a8f5f2798f5af2ccaddd1
Copyright registration time
2026-06-07T08:18:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c8c126fd63dc0dc97a703cf547a9c0bd3789901a4d2ca62573d549250cacabe3

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.