Ciudad Vacía

Recording by Attaque 77.

Recording identifiers

ISRC
ARFSB0700648
CopyrightID (CopyrightChains transaction hash)
0x7f99bcaec08f87a30c3356d2799c7cc91722b3cad7139546be5cf334fc16733e
Copyright registration time
2026-06-18T07:41:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:dbfa69e8f82b360a99fe2adef54cd4e50105b569cc1d4b61dd34d84d96e046bd

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.