Intermezzo in B-Flat Minor, Op. 117, No. 2

Recording by Olga Bordas.

Recording identifiers

ISRC
ITR551316171
CopyrightID (CopyrightChains transaction hash)
0x3c695ca0b69b5b51455f361148f3f271e77943f3495973088e35ac549aec1a53
Copyright registration time
2026-06-27T07:26:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2caf1a703343bba09a25e8ffec75eb1a23add3a5c5fa225346802d2d3110690a

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.