Aria di Lensky - flute and piano version

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
QZFZ62157826
CopyrightID (CopyrightChains transaction hash)
0x01ba35ea14a42100b073b3d88277c4b0a74bd49563435cc4e17f1438f64cd5b3
Copyright registration time
2026-07-07T20:12:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d5fe501d4f41f04f989b0e694aab26c6b1477e16835d39b696b24e9eb385c1dd

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.