Uma carta - Ao vivo

Recording by Ls Jack.

Recording identifiers

ISRC
BRESM0500340
CopyrightID (CopyrightChains transaction hash)
0x5f0f2cdbacace61fa9f33f23fedd8cc214b1d47a207738da8961a173f39b65e0
Copyright registration time
2026-06-20T13:08:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5adae076b7d17b2c8170b3af372ec10a7fe8c92a81d2a30c3d3a9dc6e01de004

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.