21

Recording by makko.

Recording identifiers

ISRC
QZFZ72095157
CopyrightID (CopyrightChains transaction hash)
0xd6f2c69a4368747393cb230468234fa83766b8e28ca5d063d4c7db7f3707313d
Copyright registration time
2026-06-04T10:02:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:42a7a521766aa0376366f54319251d209dc93c5663f5995a0ed7e5c35cdc4c3d

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.