Concavo Y Convexo

Recording by Roberto Carlos.

Recording identifiers

ISRC
USU6V9993313
CopyrightID (CopyrightChains transaction hash)
0x6d80c75f873a4d13e38a1d89672507c255900ee05e91aba8bfbacd1182b65609
Copyright registration time
2026-06-04T14:42:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c046f1aa979dfc0bdf59b9e39572473c5e75c7726dd5534459f97b418142593c

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.