Quem Era Eu Sem Ti

Recording by Tony Carreira.

Recording identifiers

ISRC
PTFA11201802
CopyrightID (CopyrightChains transaction hash)
0x4105ca34d4023ceaf7826e6ef6a98396b11c687e12caea87ddd510480b3d1d09
Copyright registration time
2026-06-07T18:56:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:c2731616df611b92212c744f2ae43899786b8a23b2650e8dc22d0cb44cd6e21c

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.