KM 11

Recording by Cássia Abreu.

Recording identifiers

ISRC
BRUSA0501137
CopyrightID (CopyrightChains transaction hash)
0x343c9c79069231cc634f7200a81ac0512b900bc71c0664cec81bc33453a33a86
Copyright registration time
2026-07-07T18:21:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:56864639425062dc5c1cdcd53d89959ccaa40230a919d238482fc97348bc714e

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.