1989

Recording by Portugal. The Man.

Recording identifiers

ISRC
US74G0860524
CopyrightID (CopyrightChains transaction hash)
0xa9e4a2a88747a8730c252186ab5353a5834249ba789d1eff0e8cbf268c2325cb
Copyright registration time
2026-06-11T23:28:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:0720783b93911266980f72c454cf59760b378c279e9e0bc9ed98886ab9c13cf1

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.