Don Quijote

Recording by Halvdan Sivertsen.

Recording identifiers

ISRC
NOBBZ2301010
CopyrightID (CopyrightChains transaction hash)
0xc3169e3fff04bbf57e89aae2b6ba6f7b47bc5eda56b7dfa5ed7a5ca9390b412f
Copyright registration time
2026-07-31T21:57:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:8c19c6a05152e645c6d32a983ce038b5e733e61f61d130274c92112943a9b7df

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.