Un, Dos

Recording by Duo Kie.

Recording identifiers

ISRC
ES6081141104
CopyrightID (CopyrightChains transaction hash)
0xbd023e7755ff0f62f7df6b14dbcf9e12a086704de90a0a794ce186c0221d835b
Copyright registration time
2026-06-19T16:14:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7bc87300d3d8057c3588832d376f93a57d4ef397ad09aed77dfbdef481d54b4c

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.