Aria for Alto Saxophone and Piano

Recording by Nikolay Kasakov.

Recording identifiers

ISRC
QZPJ32105072
CopyrightID (CopyrightChains transaction hash)
0x1ecaff59cd7a59335a51ca39dd5287eb5fe8fbb997070ae7f706baaa9115f0c7
Copyright registration time
2026-07-06T19:38:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7687f46a90c2133235d68f33c1169d65dc6bd485e6cf0f9dc7d4de21504268fd

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.