Kjære Doktor

Recording by Unit Five.

Recording identifiers

ISRC
NOHIY5801070
CopyrightID (CopyrightChains transaction hash)
0x836cd443e2b394ffaf7f35bf3c8b0d19504616acbdee4da12a93b884b2f07bd1
Copyright registration time
2026-06-10T23:47:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b17a28ad7117d45cb8f9e40d6e6280f744ee90d7b96ef891ef0943274640d6f9

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.