Dia De Muito É Vespera De Nada

Recording by Eduardo Gudin.

Recording identifiers

ISRC
BREMI0300218
Release date of the album this recording appears on
1973-06-01
CopyrightID (CopyrightChains transaction hash)
0x9c806290f2e7c2dfb24bc2396e04353defa8ef6403fd3eb6da348c32206f2cee
Copyright registration time
2026-07-29T21:04:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:e1fb9f3bf10624dc336630abfa665e8fc12ac758e25c099943aa872db8ea5fb9

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.