Los Mejores Años De Nuestra Vida

Recording by Marta Sánchez.

Recording identifiers

ISRC
ES5009800092
CopyrightID (CopyrightChains transaction hash)
0xa64448eef4ee2bb40f9dfbe90373e2c76731b51d2cd6d54c237eeaf4cc889a91
Copyright registration time
2026-06-26T15:35:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:43cd12d484f8e4f7f27a38259ef46618c2802894db127b0aabc2b4b139443be3

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.