Tu

Recording by Dorival Caymmi.

Recording identifiers

ISRC
BREMI5800130
CopyrightID (CopyrightChains transaction hash)
0x650d9367f6424ad6c41889c8212207d8781d07c59b1a8fa09edc3885fa6c7808
Copyright registration time
2026-07-06T22:23:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cd70564b730e34614fff88e8195cc7bfe33faf8ebe1cdff4c0bb8d9c95c447a2

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.