Sonho E Fantasia

Recording by Alaíde Costa.

Recording identifiers

ISRC
BREMI7600760
CopyrightID (CopyrightChains transaction hash)
0x35e0cd40fead2406da1c1b1926d4bce847b6354d9b126750044d56986ed5c8a5
Copyright registration time
2026-07-31T20:50:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:bf209a4b714302ec6deac8d1acabb5f3a02654865075b73fe770de60db2f8c9e

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.