Ultramarine

Recording by Roger Eno.

Recording identifiers

ISRC
DEN961903550
CopyrightID (CopyrightChains transaction hash)
0xaffd76756245fbf943bc148c743f573f8680d4e6dd7b4b5784f0e00f8f8059f9
Copyright registration time
2026-06-10T01:48:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1acf4dd1579a813765343043be737802c8db32873f06a482544a4fe139ebd0e9

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.