2013

Recording by Carlos Leitão.

Recording identifiers

ISRC
PT9HQ1900084
CopyrightID (CopyrightChains transaction hash)
0xcffc473e071f909816f874b19649012d18aa04670e0f8a5be780661ac1279d16
Copyright registration time
2026-07-07T07:21:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:87d07e9221edcddef68607f888ddbcf41576c2e5fffdb59ba7f924ea13e91e51

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.