Waltz of Regret

Recording by Doris Matte.

Recording identifiers

ISRC
US9390700257
CopyrightID (CopyrightChains transaction hash)
0x62daf95ecda73ad875db146005c312be8ba908dc4c2464dac9708c452da8dc96
Copyright registration time
2026-07-07T14:11:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:611c6171614f390059277918c464123db57cc19d165855775cf5472542ae9038

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.