Mais Que um Mero Poema

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BX4TA2000132
CopyrightID (CopyrightChains transaction hash)
0xcb8e264e25c1f258265757c1210822a283f0ec9f2bce9460aca5b1d2931b66c5
Copyright registration time
2026-06-20T12:55:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8c957f08b4ed890938d6db3c5106e27c9d220686dc4dceb032423726266b3d66

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.