El R de Sd

Recording by Grupo Marca Registrada.

Recording identifiers

ISRC
USANG2156393
CopyrightID (CopyrightChains transaction hash)
0x87273154ac9fdd2d9b843469b8cf45356be37bf84f6c3fb0558738fbd0fe57c5
Copyright registration time
2026-06-06T20:40:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:0b3665bd98c22251b7aad1e0a02928eeb4ac3acc8c09b9fd0a2694f0d8df4199

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.