Nada Que Ver

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ2101302
CopyrightID (CopyrightChains transaction hash)
0xcfcd47e5e1ec4ebb58472d58dced2f5243ad7eb98f6fccc8faf18c4487ef8320
Copyright registration time
2026-06-07T06:51:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:aed0631df204bc51eb250ff0c3c167fe139502955b76d6c891f41a8d16f3ef56

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.