Preludium

Recording by John Dowland.

Recording identifiers

ISRC
GBLLH1438206
CopyrightID (CopyrightChains transaction hash)
0x75a89c6fe97b8d9034ada8f0205cc314d0e054953fcddc79f2e403ea77dbc245
Copyright registration time
2026-07-06T06:52:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:7f096a4c654f62ce8b925b0aa3569dd032cc8deaedf53cc575197f1f69928cf6

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.