El 300

Recording by Grupo Marca Registrada.

Recording identifiers

ISRC
USDXS1911113
CopyrightID (CopyrightChains transaction hash)
0x2c780caf42dc395186808dd2a8d8188af2913190cd2eca9502bae6ffcb409bb2
Copyright registration time
2026-06-06T16:00:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:adbd76bd05373188bf512ab9787d34b9e5568d4363848e50e4450ffc6cee3295

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.