Preludio

Recording by Quilapayún.

Recording identifiers

ISRC
ES71G2007771
CopyrightID (CopyrightChains transaction hash)
0xb44f6e4aec2fb212166bc19fbff5660d758c9f91a04af5127474b2fcc26a5941
Copyright registration time
2026-07-30T07:13:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:62f1f6dfdfe6df5670a8fd73c9a3b18213c0638c42f0ef0a73f4a8d94354e0dc

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.