Contraste

Recording by Quilapayún.

Recording identifiers

ISRC
FR6V81743827
CopyrightID (CopyrightChains transaction hash)
0xb43efd4904fc6af00b83f34026ffd45de7510095cea5189400c0b4b74f35e9ba
Copyright registration time
2026-06-24T23:21:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d172c8c6bfe13a75e782dcfbed5653f1709b2b3778846008ae2eeb4f9d7c6885

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.