Sonja

Recording by Pekko Käppi.

Recording identifiers

ISRC
FIHL21300001
CopyrightID (CopyrightChains transaction hash)
0x55601514cc4fc09a84de5c2117e009f87da855f71194d8de0a7fb48717c98794
Copyright registration time
2026-07-07T14:57:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:3ce35047a741ee9c05e55ab53f0781d7c87a13cfa9fc9331c648b436e9113b01

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.