LONDRES

Recording by Totoy El Frio.

Recording identifiers

ISRC
USUM72305731
CopyrightID (CopyrightChains transaction hash)
0x63821568b272ca0d0b4b7b37f42c7632c4a5d9019d2736835f74a2c890a63219
Copyright registration time
2026-07-06T07:39:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T11:43:09Z
Bitcoin block
957032
Canonical record hash
sha256:115839df4f0a59311636fef859136cbb596b3f3397253f1009a27d7cdade5a0f

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.