The Cello Song

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USQX91201532
CopyrightID (CopyrightChains transaction hash)
0xd52e6a09a9d86ee7bf436085e17cabca0c16825a5bf70e38366d063f68c3f45a
Copyright registration time
2026-06-04T07:42:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c6c8e31067bbae8a023a3c3476d5e4e26f5c72f318a6dc3efad266bfc847c116

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.