Trem do Horizonte

Recording by Christiaan Oyens.

Recording identifiers

ISRC
QM6MZ1418106
CopyrightID (CopyrightChains transaction hash)
0x6234071e43e7fc6c02870885ba7ee8eb593909af7b03bba3456e85189371fa4f
Copyright registration time
2026-07-30T22:01:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:088f5b9e5791c47cc42925de7ea9536038e642f068c92e6b5818f30909724cce

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.