Passagem de Som

Recording by O Tubarão.

Recording identifiers

ISRC
BKNKT2301977
CopyrightID (CopyrightChains transaction hash)
0xb77dfd185b9e601cd218ec6ff97d6a6b466d0debda3f7f2cf436c2e27539a911
Copyright registration time
2026-07-29T20:11:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:60baeb7e563d8e3ff8e3d691f420b56350beb9f45e2b43a2cd7c0b5e7b17b9db

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.