En Setiembre del 86

Recording by Bo Ichikawa.

Recording identifiers

ISRC
QM7282352661
CopyrightID (CopyrightChains transaction hash)
0x923c64fdcc29b7c0ab898682ab15d8cb638b3e70faafe748086fe799df49a474
Copyright registration time
2026-07-31T19:40:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:da9aed6fbff72fb8bf4e7a66c67be5da7fa4d0454c6e913c80041428b0b2d2d0

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.