Vals

Recording by Emil Brandqvist Trio.

Recording identifiers

ISRC
DES291500012
CopyrightID (CopyrightChains transaction hash)
0xe3253a0abf5cebfc8cb9cb0ade943ac4387dc7524c8abcba74484ae0175956fd
Copyright registration time
2026-06-28T04:07:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:724d55a4e4e7711e419f19d6c5eb0408209c7558d801922312bb191527046993

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.