Tristeza De Nós Dois

Recording by Sérgio Mendes.

Recording identifiers

ISRC
BRPGD6200009
CopyrightID (CopyrightChains transaction hash)
0x26fa4afc6ba3e43648bc59b99e3971c64c7ea2488ad3312c7eccdb2e01f9ea42
Copyright registration time
2026-07-06T23:43:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:798a8813248a556aa27aedd9971efc5e07f501494a9912ab9a9572266ddf8cc2

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.