Todo Contigo

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500012
CopyrightID (CopyrightChains transaction hash)
0x655f894f0ac770a5cf3493ecd553ae0bb3ab77b6f4a31fca37e3503b60f16f09
Copyright registration time
2026-06-07T19:14:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a1cecde0820a4110c88af22c3188c772906b8335ee2fb32ed7dba8a6fec05ed6

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.