Contraste (En Vivo)

Recording by Quilapayún.

Recording identifiers

ISRC
USA561356240
CopyrightID (CopyrightChains transaction hash)
0xc5c7239ca67ccd709a8999a8fd36bdb5bbeaca6b6f3a79fd619dd06128400c6b
Copyright registration time
2026-07-31T18:11:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:f1e57be64a7e7ba03a30ce07b9b9528eadf2252dd4ccb81955a2442d7082c3a5

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.