As três normas

Recording by Carlos Do Carmo.

Recording identifiers

ISRC
PTVC16400040
CopyrightID (CopyrightChains transaction hash)
0x7fbb1a2f6eba06fbaaed54bf49479f3f6a207256ee8ce9988de142dd9a7ac3bd
Copyright registration time
2026-08-01T03:03:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:3e52b99e780cfcc60966f66647e739a067564537f04d9737a33bb9132b30ecd0

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.