Oi Sumido - Ao Vivo

Recording by Paulo e Nathan.

Recording identifiers

ISRC
BX4891900013
CopyrightID (CopyrightChains transaction hash)
0x6fffe899e43c73fdfeec36f6fe861642c6b7fef3f70a65d02ca47111c1632e06
Copyright registration time
2026-07-30T19:08:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:26:00Z
Bitcoin block
960298
Canonical record hash
sha256:01b2829597fa00eeff8636ba743209857df812b1358597d2bed66af231d41b2e

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.