Katrina

Recording by Rafał Brzozowski.

Recording identifiers

ISRC
PLUM71200830
CopyrightID (CopyrightChains transaction hash)
0x4529d5307b3fcef7684841e49d4c04e68b0f3c5c7f9f368043f6848ca8b960db
Copyright registration time
2026-07-07T06:03:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:596e4e45dfec061136a786411771099690a938ebb84e23e7f6fe5d3abab0dc30

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.