Retrato

Recording by Carlos Do Carmo.

Recording identifiers

ISRC
PTUM71001427
CopyrightID (CopyrightChains transaction hash)
0xff098b2631fb7af97b564d6f79770c0e3ae91562c5d665faacdcb4394c2422a8
Copyright registration time
2026-06-25T13:49:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3218032f0f6a9dd475ab6024aff6c716fcca1636360bc1c93a13fcb30c122bb0

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.