La Ciudad Sin Ti

Recording by Los Grey's.

Recording identifiers

ISRC
QZDQH1815598
CopyrightID (CopyrightChains transaction hash)
0x022a407ab616328eb9f15be72d5a5761178dd25aac41cd9e952d2922e22e079f
Copyright registration time
2026-06-11T19:02:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e5b5cd87302372f32c66601f9004ac0fb3dd563c16e94bfc27edd31bb959b1e7

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.