Waltz from 'Swan Lake'

Recording by Johann Simon Mayr.

Recording identifiers

ISRC
CH6631229105
CopyrightID (CopyrightChains transaction hash)
0x046519aef99ca620b34416411055b3879ec9cc9c4bdbfe7d80d60e9ae416479e
Copyright registration time
2026-07-07T15:02:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e6b06e543e6cf93076f43704ea8a14b5e3f199e681e7514d5d2007e688b88505

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.