Cais

Recording by Zélia Duncan.

Recording identifiers

ISRC
BRPUI1700281
CopyrightID (CopyrightChains transaction hash)
0x5fa48ae6ec02b8f220603f8ce6bf4cbe632987e83db527f6584abbfbd7536129
Copyright registration time
2026-07-06T23:32:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:53de7a9bbb85152ddc15c45de5440a5fde091d3a5da357f7e475888fe1865377

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.