Canção de Maria

Recording by Tirza Silveira.

Recording identifiers

ISRC
QZ5AB1751940
CopyrightID (CopyrightChains transaction hash)
0x9acc258d26f33ed0d6ab71df99bc4c307faf69d62cae6f8f433c375cac330fb0
Copyright registration time
2026-07-31T14:47:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:3dd553056b3af20dd097825a31134d96325e154c26bd6229b95255f74bf541a8

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.