Brazil - Alternate Take

Recording by Antônio Carlos Jobim.

Recording identifiers

ISRC
USSM19927532
CopyrightID (CopyrightChains transaction hash)
0x7674ef7041e337b98a3b1ff2e5093c0e81336591c94d2bffa8b622f87315e8eb
Copyright registration time
2026-07-06T10:33:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:3f349cd8a71b9af89ed48c4ac32c4b93db440cc4e92e56d08e85a5210e1abe72

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.