Nada Que Ver 2.0

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ2101448
CopyrightID (CopyrightChains transaction hash)
0x10a37d5a5c3211e3c9da2a6475b6ef94bb2b0ae9137e3d9d12b3e1dbcc8faa55
Copyright registration time
2026-06-07T12:52:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:3fad3bdeb80b8482b2ac05844117f01d77ecd94e6c265e6fda131093c6e11dc5

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.