Lisboa

Recording by José Otero.

Recording identifiers

ISRC
MXH612200004
CopyrightID (CopyrightChains transaction hash)
0xbfdab7c1aada862d69bd851f11a8919537ddc539bc1123edd54d0fe495df10b1
Copyright registration time
2026-06-18T06:01:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:27f873f8a428df0b03b5f7b730f15637698892cd80aaf450193aca21aa2c2118

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.