Waltz

Recording by José van Dam.

Recording identifiers

ISRC
USA560637955
CopyrightID (CopyrightChains transaction hash)
0x815019addbe0dee4afc1f9d505f6cb794f4ae2589fd6b837065b8892a8d3e0a6
Copyright registration time
2026-07-07T15:29:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:d47f13f8724db7609e56b12f71bea3804e5fa0906f552f9feb8b4b8780b0b85f

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.