Retrograde

Recording by Luccas Deo.

Recording identifiers

ISRC
US83Z2467757
CopyrightID (CopyrightChains transaction hash)
0xe115594d9cea8ab02c9ec9e4f9fed2f1792e8f6155d6f9307bfe237d7843cbfc
Copyright registration time
2026-06-26T00:46:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d5bd3db6778dcb929844a9efad950438ab52696eb5149fe2199b32ab4069ecae

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.