Prelude No. 1 in C Major: Ave Maria

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSJ10600404
CopyrightID (CopyrightChains transaction hash)
0x9fcbcf4528491f709581917aeec93dbfadfadd2c8771646b5273566aaed1a948
Copyright registration time
2026-07-31T20:44:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:afaf271181e0fda63b1ea54b5052084a972f63b0ecaa712b84f91292a5a5cb88

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.