Summer Waltz

Recording by Sergey Grischuk.

Recording identifiers

ISRC
ARC572403661
CopyrightID (CopyrightChains transaction hash)
0x683767660bc140acd6dae795def7e9a14dbd9733633f75b9f36386dc7876e6a2
Copyright registration time
2026-06-28T01:35:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:1a8baf2d32733edd6d3e811e877fbb2cd6aed8f3efa5916830fb9eb6e41bfd50

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.