Day 21

Recording by Ta-ku.

Recording identifiers

ISRC
USYBL1401944
CopyrightID (CopyrightChains transaction hash)
0x53e04431c82aa9ff73d881b6c1f2e2d37b02bcaea9b71fab70251a1101be8f8f
Copyright registration time
2026-07-06T10:31:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T15:12:44Z
Bitcoin block
957055
Canonical record hash
sha256:39c472dcd24affc8c62c28f5082cddd593353733a635330c0483573fdb00e6b5

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.