Bien Recio

Recording by Under Side 821.

Recording identifiers

ISRC
QZW9L2224747
CopyrightID (CopyrightChains transaction hash)
0x0c04f8c9f217287c8f1bbabdf6672b746394c3f7a4151191b1d8af71b159f874
Copyright registration time
2026-06-21T04:39:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1f93eaf39bd884c03d770fa4fa47051bcfd70452bf1af554bc068bf23e8c7e1f

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.