La Propuesta

Recording by Aitor.

Recording identifiers

ISRC
ES69S1500456
CopyrightID (CopyrightChains transaction hash)
0x4f4b4bf34960bf67dd44b02e600da715c9afd75e32fa1c040f7f7eb4d12081f6
Copyright registration time
2026-07-04T04:50:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8892a3be7a65c3b07c9d7c23ebef0c77935e2ba4bdc3dd57cf55032b73c14388

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.