Adagio from Concerto Di Aranjuez

Recording by Aage Kvalbein.

Recording identifiers

ISRC
NOFKF0108010
CopyrightID (CopyrightChains transaction hash)
0xb4dc706aa4b5c06c39d858251e1bc4a7610dd6b3e2f1cc6fd337920c637621eb
Copyright registration time
2026-08-01T00:55:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:8c3d8e5c868684c367e445231066a03b3298f17c7070aa1d4bd7c5fc7169f1a5

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.