Romantic Waltz

Recording by Alexei Surovykh.

Recording identifiers

ISRC
GX89G2348982
CopyrightID (CopyrightChains transaction hash)
0x7f0c0cdea4965e3765a81a2a37cc215cd803d67a4abe81ca2d1b69a03b9f3e36
Copyright registration time
2026-06-21T15:10:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:367468774138f7373422ab579c1511bdcdf30dac99a01ef3430535138f4d9d14

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.