É Difícil Segurar

Recording by Lado de Cá.

Recording identifiers

ISRC
BXZ5K2100005
CopyrightID (CopyrightChains transaction hash)
0x1dab761e7decd3400804129fe6d612c89e9825cb8e13794fd0f9dee4b83e5686
Copyright registration time
2026-06-08T05:37:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7879aaa6455d737893871e97703ba7a41dd856ed1e6e937ac9e9ce77a675c820

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.