Segunda Opção

Recording by MC Kalyu.

Recording identifiers

ISRC
SGB502321190
CopyrightID (CopyrightChains transaction hash)
0x456389a7313c83aef0d9c8ed2a08d79c941ad71fad79ef6b00a48717d476fe3d
Copyright registration time
2026-07-31T09:38:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:50:37Z
Bitcoin block
960383
Canonical record hash
sha256:4c9c88dfb3069a07cbe4ff69e01ca0f2ae5f9616349683308d2aadee055006b3

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.