Arturo y Alfredo

Recording by Lenin Ramírez.

Recording identifiers

ISRC
USE7D2000175
CopyrightID (CopyrightChains transaction hash)
0x066726495b25cb1e82d909176f2322495dbc320abe4078ab520296d52c53debd
Copyright registration time
2026-06-10T07:52:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4b1118f8938f16e08432bb16bb492a6f5e4cbff1d679134b042d529069f23bb0

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.