Un Día

Recording by Alejandro Lerner.

Recording identifiers

ISRC
GBKPL2027025
CopyrightID (CopyrightChains transaction hash)
0x2bd1f4d851a4d4310ae4411914830ea513115f751a1cfb5f35205379aad8dce5
Copyright registration time
2026-07-29T16:11:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:4da23d0d3c497328dde0a07953de6b20d5bca0c5d1636a126926850bae488f26

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.