Chega de Saudade

Recording by Antônio Carlos Jobim.

Recording identifiers

ISRC
USSM10302461
CopyrightID (CopyrightChains transaction hash)
0xd5f4fbc2ef7b054ee991de44db455a74e7b226b6ea8c761ba3e5059c41135c9c
Copyright registration time
2026-06-07T11:29:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:46a0bfc53e6e4e8ab1648be898af57e8899ca95efb9c252769b49938113749fc

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.