Opposite Sides

Recording by Felix Marc.

Recording identifiers

ISRC
DEKV20910762
CopyrightID (CopyrightChains transaction hash)
0x18af0fdea3a053c046241ee5964946c32f14494c4d67ff8ffec53f4dceab9361
Copyright registration time
2026-07-07T02:06:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:102cdc17cb02b079de614dd5861722ec07c9cdad778e176169290b37ae296318

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.