Kor e du no?

Recording by Heino B.

Recording identifiers

ISRC
QZWFF2421041
CopyrightID (CopyrightChains transaction hash)
0x33bcddcdcb1ab241e48293289d093c75c4a090d85085af3c20a9024e2df14181
Copyright registration time
2026-06-21T13:31:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7f8af025463e8758ae0700b816f4540cec8dd3ce9d3eb44acbb607753243265c

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.