20-21

Recording by Den Haas.

Recording identifiers

ISRC
DEH742229799
CopyrightID (CopyrightChains transaction hash)
0xc2215e6a351a8690fd0dfba0121cefcecacf3503e92b0e611f21e0d522ba9109
Copyright registration time
2026-07-07T23:03:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9d15ce009f12a6b946fb162e6853aabbdfe8acb6b071aca8a73b06123f3fcb5a

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.