La carta - 2015 Remaster

Recording by Maria Ostiz.

Recording identifiers

ISRC
ES5151501654
CopyrightID (CopyrightChains transaction hash)
0x6ef056cca2dc1ee751d4f886bf2c2a18fc4469dbb41e95d5f8a5695d583f4c45
Copyright registration time
2026-07-07T06:58:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:91ee49d920a0a60ab4d8b44a96400567dcbafc4945e92db1cb68fd99233f0cf6

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.