Contigo

Recording by Marta Sánchez.

Recording identifiers

ISRC
ES94G2300601
CopyrightID (CopyrightChains transaction hash)
0xf4941892ad636179914444f25508eab485899fb14392d1550113a65ccdbfa48e
Copyright registration time
2026-06-11T01:44:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:884ae45d19a289c003b4703363b1e1c18888ec67d7ebb81dfb154d2adda7551d

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.