Ilusão À Toa

Recording by Gal Costa.

Recording identifiers

ISRC
BRBMG9009957
CopyrightID (CopyrightChains transaction hash)
0x20878e2f9ce433b9bcdced843532f602eeac9b5a908b0104c993990f79b118ac
Copyright registration time
2026-06-26T20:06:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2f6a1652b32090580fb72537736820e623a880a56799866d1b0cad546133c468

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.