A Dark Waltz

Recording by Michael Berkeley.

Recording identifiers

ISRC
GBCML1933606
CopyrightID (CopyrightChains transaction hash)
0x3efa4d665c7f3ca3f9800f3b0b78c4f7a5119edcdd984395740612a8b6f609ce
Copyright registration time
2026-06-09T08:51:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:134cc479914c240a6a1fd02fe8b47478e11273624ed8fd20df98b5430ef88aaa

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.