Son Re Tro

Recording by El Guachoon.

Recording identifiers

ISRC
USA561405931
CopyrightID (CopyrightChains transaction hash)
0xffa1790dda235caf9e66be2483ed7354f4688df66b3cd1afa272152c6e593d76
Copyright registration time
2026-07-06T05:56:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d61b3e454420ec43da7bed98c38a419f9bc53b4b1dea595115107873f7a6a4c8

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.