Triste Pero Cierto

Recording by Duo Kie.

Recording identifiers

ISRC
ES6080880315
CopyrightID (CopyrightChains transaction hash)
0x28ca9665e5fdce48bd973427c3e5354d8a148acc91efbc346826ce1033fe147e
Copyright registration time
2026-07-30T07:07:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:2a73d1ad00657c8d8d19a37943ed12867b28db8c74e62731dbd39335d380fae2

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.