Preludes in Jazz Style, No. 3

Recording by Nikolai Kapustin.

Recording identifiers

ISRC
QM4TX1590883
CopyrightID (CopyrightChains transaction hash)
0x93e961b6c90aeca4cb91a8057a196eea10d7dcf810b5d27edefd4df318e5c8b8
Copyright registration time
2026-07-31T19:31:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:934c1584c808bbaeeeefd502b7e2d1d26b48a8f1cae9d0b607c92797168b06f2

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.