Act IV - Prelude 'Alvorada'

Recording by Orquestra Filarmônica de Minas Gerais.

Recording identifiers

ISRC
BRTRB2305566
CopyrightID (CopyrightChains transaction hash)
0x25fabf266e22aa73cd4c8042d5870152fad9f4c611ee6b6e2f9e2266f47c18ba
Copyright registration time
2026-07-07T22:52:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:fc09036f26ad58404fb7052b6ba95d0f0ef160ddebd3195e3d85483ed467cf4d

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.