Waltz in a Dream

Recording by Gunnel Boek.

Recording identifiers

ISRC
QZFZ22317051
CopyrightID (CopyrightChains transaction hash)
0xb891251433d413dd674298dd57f495ddf62922d716f38c80b49dd29e3a0839ae
Copyright registration time
2026-07-07T21:08:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:acbcc706d214968265ea61b36129308093757115ba69e79c0aa314568945574c

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.