De regreso

Recording by Matilde Casazola.

Recording identifiers

ISRC
FREDR2500025
CopyrightID (CopyrightChains transaction hash)
0xd672541d876195d779000640f5260e30a13f8c9da5c3c10cdb0148066b01ffef
Copyright registration time
2026-07-07T03:03:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ea4ea9555573f8a19e67e9de899c11972096d4a7ed1603a056586ab441b81a2e

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.