30 metros

Recording by Chico Ocaña.

Recording identifiers

ISRC
ESD011000036
CopyrightID (CopyrightChains transaction hash)
0xcb53f4e98967410ed8b776715a73b8d0d0a0d9fc7ed5e7917b84881aa4788f0f
Copyright registration time
2026-06-06T13:45:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:0bca0b1b6936fab8038742592a3a9d43b6dc8a97ca52fd4084f6d6981853680b

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.