Sunny Waltz

Recording by Helge Lien Trio.

Recording identifiers

ISRC
DEQ752500121
CopyrightID (CopyrightChains transaction hash)
0xc234dc1e02e52f368e7bdac028f43cdff88925c18d7928cf5cb006b64efaf6f6
Copyright registration time
2026-06-19T04:34:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:25f71f70e9cfb62feee30d47a476bc88f0cb4cefb3c2e168d0eb12ab35665a92

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.