Kolokola (The Bells), Op. 35: II. Lento

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
HKI199289403
CopyrightID (CopyrightChains transaction hash)
0xb50ce340e62cea9527a7a5dd61f9909c71cd4246ebc50d4d359ba47d80a643d0
Copyright registration time
2026-07-07T05:33:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d6919ddd04c040dad480fd0a8efc5d35b6215795ebe092094608abdf615e8cc1

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.