Décimo Segundo

Recording by Duzz.

Recording identifiers

ISRC
QZW9M2214109
CopyrightID (CopyrightChains transaction hash)
0xdfc4b56d6977a7dcaa2c3c396a10bdb3d919b0463d50298fe01f15b592acce3a
Copyright registration time
2026-06-08T09:59:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:afcf10e7c58b663f7b5a4f50952177384a050dc2e70ddc3d5d8414206719c493

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.