Sinhá

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPUI1100331
CopyrightID (CopyrightChains transaction hash)
0xf0e12cbed243a6cd2d24c37dec76d9ff73bf17f553e720397842da2b35d5e68b
Copyright registration time
2026-06-07T13:57:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:399c84104a12389dd06830347675460986302c2f4536f75fa6c9049c91cd80cd

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.