Introdução

Recording by Antônio Carlos Jobim.

Recording identifiers

ISRC
BRSGL8500049
CopyrightID (CopyrightChains transaction hash)
0x8e21e0dc63f4113fa64043ec7692f99a64717d7e45b868879fa11086220b916c
Copyright registration time
2026-07-07T17:40:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:291e67c8463c8b32741b79f8ff2fe0598e3aaff4c98b9fa208b7db2cf1b0df19

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.