Carta Que Não Diz

Recording by Mariana Froes.

Recording identifiers

ISRC
BCPEK2100001
CopyrightID (CopyrightChains transaction hash)
0x0f2e3c99aa0a7bbc9da7ab7870cea5f2fcfc2f0155f028095b462003643f8a4f
Copyright registration time
2026-06-04T13:48:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5aeb2b4e36a1f0a1d0bfe103cb2c5639c6e92daab878ec99b7f7c968faae4939

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.