Sin Yolanda

Recording by Under Side 821.

Recording identifiers

ISRC
QZW9L2224768
CopyrightID (CopyrightChains transaction hash)
0x9686068e0bfed6427f5d46e5c5a5b830d22615d108c743012a84d4e4f3de0488
Copyright registration time
2026-06-18T02:44:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b2912c8c464e47738d52b79599fa963388f5a0e91a6f6222ea6d13e8fd19a5f2

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.