Regreso

Recording by Mateo Ottonello.

Recording identifiers

ISRC
UYB262300000
CopyrightID (CopyrightChains transaction hash)
0x59b612d5eb0fefcd945e1f6f560c9c3112d75a5e12206dcab529fd07ea3ee243
Copyright registration time
2026-07-31T13:24:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:50:38Z
Bitcoin block
960410
Canonical record hash
sha256:7620dcd7acccae422bb7d92df8c0c224eb919be6844fb729b280939ce850079c

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.