Chicago

Recording by Portugal. The Man.

Recording identifiers

ISRC
US5260608108
CopyrightID (CopyrightChains transaction hash)
0xbb7d30a8fbb9847a63b00ac91ceb8d9905083e8564ca4bfffc4a385aacfc57fe
Copyright registration time
2026-06-19T02:21:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e1f9945120b3ebacfd639172938bf56cae62690055bebc3e18379da61ca43b5b

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.