La Nana de Carlos

Recording identifiers

ISRC

ES90I1400057

CopyrightID (CopyrightChains transaction hash)

0x086a69b8efbcc09a2b008b8d18d3609d36186f9a0d3d7469209457c0a5d2b402

Copyright registration time

2026-07-31T20:38:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T21:25:57Z

Bitcoin block

960468

Canonical record hash

sha256:685451e5f46f973f161bdb392a328f26ff1c022cb50cda6455c4ba96060e5692

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.