Que Tal o Impossível?

Recording by Itamar Assumpção.

Recording identifiers

ISRC
BRSC41000075
CopyrightID (CopyrightChains transaction hash)
0xbe1987ce8d02173a3769f62a4f5b3e719088d89f997c50d482f4fbe09f6f068e
Copyright registration time
2026-06-06T18:16:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:04f5a7893792379164eff6ff4d356e6303adfe2a04e4bf1fdae4c00a1f12a63d

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.