Tristeza Marina

Recording by Roberto Rufino.

Recording identifiers

ISRC
QM6MZ1540235
CopyrightID (CopyrightChains transaction hash)
0x8f32cb8b37da861a5fdbe3b722efa2694b47964c2f83c3c23ef63c6fe4ca6a41
Copyright registration time
2026-08-01T03:15:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:50:58Z
Bitcoin block
960506
Canonical record hash
sha256:d3cf7726f1eb97493fd3ccb6205b20f46ca457df0859f1320d49862b2eb360a6

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.