Mais um adeus

Recording by Quarteto Em Cy.

Recording identifiers

ISRC
FR6V80003618
CopyrightID (CopyrightChains transaction hash)
0xec4316688eef85fe326c711aa1dcec87333eac502851eca2d7e61cb5de0c6d9c
Copyright registration time
2026-07-30T22:47:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:024162a8c112b99d60ae4ab22769e2627e7a58523cdecf5083a7a0935237c62b

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.