Contigo

Recording by Marta Santos.

Recording identifiers

ISRC
ES5152401126
CopyrightID (CopyrightChains transaction hash)
0x837f457fb10872c5ce71dcde94706c0949b1af2ea9da17773830fc718efbb6b4
Copyright registration time
2026-06-11T05:12:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:18cb98d9957dce0798ab76572d93508688dc7ff34b55d32f90deb888d29de905

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.