Blen! Blen! Blen!

Recording by Orquesta Romanticos de La Habana.

Recording identifiers

ISRC
USRMK1005412
CopyrightID (CopyrightChains transaction hash)
0xeb0f74bf80aa3798e5f5651e58c1a681065c9febf1781042c2e7d2afa2272f8c
Copyright registration time
2026-07-06T19:33:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8153cac6d86d0769b3514de781e7a851bf6080b8434fa38d0e33fccb794eff27

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.