Duoon

Recording by alva noto.

Recording identifiers

ISRC
UK6821719485
CopyrightID (CopyrightChains transaction hash)
0x742d755594f438255db8411093ddd0154b2aa2641a1f7c621b55224a6f84475f
Copyright registration time
2026-07-06T05:07:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:615e0dbe416e4a42d4cf8341ba09cbd386b48e2f50b7456f4af08b2aae9b8b07

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.