Adagio for Glass Harmonica in C Major, K. 356 (617a)

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
CH1409694014
CopyrightID (CopyrightChains transaction hash)
0x1269bd2c2dc1ddc2e5b6ed40e79fc13d96371f8cae00d92c91142595cfdf5918
Copyright registration time
2026-07-07T16:01:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:663c0b7d40f13c047d47e365b1b05c3cb88eb7d305b30bb9b8bcf948fb640f86

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.