Sonatina

Recording by Quilapayún.

Recording identifiers

ISRC
FR6V81743841
CopyrightID (CopyrightChains transaction hash)
0xc8e5549a4e9d91efa4d454dbdf9066a359223dc2554103a62476d47b3687f707
Copyright registration time
2026-07-31T02:46:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:13:37Z
Bitcoin block
960339
Canonical record hash
sha256:ac52847dfceb15308b447448c3f26d8e67403e62e0f9bcadbc5dd5af896e31ac

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.