Piercing Eyes, Hob. XXVIa:35

Recording by Joseph Haydn.

Recording identifiers

ISRC
NLA507920013
CopyrightID (CopyrightChains transaction hash)
0x33ac1b619d2acd42febf9034bd3ee1d052cef9b1279032f9768157edbad1317d
Copyright registration time
2026-07-07T14:53:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b9254de3248353b0e44b32f15129f46c012d89a65c777aeaaeb12cdd4a501b35

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.