Prelúdio No. 5

Recording by César Guerra-Peixe.

Recording identifiers

ISRC
HKI191944316
CopyrightID (CopyrightChains transaction hash)
0xd09a33d41f7875000c70d5d6a18eb7a69875a888630529fa84858a3523af1cc0
Copyright registration time
2026-06-11T06:17:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:17e7cfa887b722ab1519b025a3c183c6ae22ca193461262eaadd505cd43171bc

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.