Este Segundo

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5701801481
CopyrightID (CopyrightChains transaction hash)
0x62daeae4867d606aeb7d2b6f27ad86293d10cd8a275616fd5d5d948be642237c
Copyright registration time
2026-06-07T08:02:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a6cf83e589598d0f6e09b42b3778f968d19701adc904ea06bd14a85a58cac626

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.