Mas Fuerte

Recording by Under Side 821.

Recording identifiers

ISRC
QZW9L2224760
CopyrightID (CopyrightChains transaction hash)
0xfa25b3d28e3ae5dd4d89e384fd982efa527498d81c8ee59a4e7c9151c15cf64d
Copyright registration time
2026-06-23T08:16:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:615bd8caa0cd1b7cda5d9e0c7b69e09a5b6d8f9b0cc02954f7da1e6bf9b9a1ab

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.