Mi Calma

Recording by Marta Quintero.

Recording identifiers

ISRC
ES71G1948654
CopyrightID (CopyrightChains transaction hash)
0x7c590d4414b130b7e787a435d36bbfb37a2b433dc89cdefda3b1f713c26358fa
Copyright registration time
2026-07-07T14:45:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:844a0c4fdd6e2928b04a766bc9ab626993772d26741a00045fe116772275c0d3

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.