Efímera

Recording by Los Hermanos Cubero.

Recording identifiers

ISRC
ES66S2100013
CopyrightID (CopyrightChains transaction hash)
0x7d0f54387b41211bc85d05b283a32b1d85d04075da0ff5a6de1af25435d227ae
Copyright registration time
2026-06-07T20:27:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a1ab35e57d9965879c9b31164ff6d4bcb55657767a9f5618b5c7ec020fef4674

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.