Katupoikien laulu

Recording by Problems.

Recording identifiers

ISRC
FIUM71201425
CopyrightID (CopyrightChains transaction hash)
0x66757e79d2d19182f160ba9edebdda6b7647a39d6e094159bebdfea889ae4239
Copyright registration time
2026-06-07T04:28:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:01370a7e670703d1e15f008a34f8ad5b7fde881ef0e1b56c8273d2794360a374

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.