Coisa Feita

Recording identifiers

ISRC

BRMCA8200066

CopyrightID (CopyrightChains transaction hash)

0xf44155b25c0f2cd6f0c5bc846abba276ea6641b85e7603eca7cc0204d4f5d60b

Copyright registration time

2026-06-06T18:19:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T06:56:49Z

Bitcoin block

956889

Canonical record hash

sha256:1fb1d5d0455e6949dc65756ab28c305af0dc50d59f16a57d059093e92a1228fb

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.