A la primera persona

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5150606044
CopyrightID (CopyrightChains transaction hash)
0x3033a73c7afbd2e527a85528690b3f390a9cf53ca6f18de76bbbfff111ea5839
Copyright registration time
2026-06-10T11:55:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:825e3651212501d387a2c434351bb44d581f052899bb047f8dddf1590ecd859c

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.