Pisa no Freio

Recording by Kako.

Recording identifiers

ISRC
QZHZ52106361
CopyrightID (CopyrightChains transaction hash)
0x60317cdcc1d0609d571a11d7e219ae45ee3913260df11ebc2221dbe05927e776
Copyright registration time
2026-06-20T06:17:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0e939b6f30f967550ae066cd33c7a955e6ec7b6a91f9cd3f40d56ec84e7e7461

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.