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
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:44a72179b081a064e470b40f807d59e259be628659554b65064daa7f1988015b

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.