De Janeiro a Janeiro

Recording by Roberta Campos.

Recording identifiers

ISRC
BRDEP1000005
CopyrightID (CopyrightChains transaction hash)
0x687ea041374abd1a3b50598582e2ff2f6d2d3371c4415a92b8f5010755cf71db
Copyright registration time
2026-06-01T11:49:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e95681b5fa02fcf28048eb1bfa58713971267726581808bc5ea46d9d9ca4da00

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.