El J

Recording by Dupla Real.

Recording identifiers

ISRC
QM3DF2400245
CopyrightID (CopyrightChains transaction hash)
0xb750f40abcb606cac2db0e40f04cfc963905bcc3821080b1e270ced6d396a148
Copyright registration time
2026-07-06T10:14:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37Z
Bitcoin block
957067
Canonical record hash
sha256:40f2943aa242636a236e7040d31c814dcc26ededc00f6a2ef41db017beef1893

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.