Marie & Jana

Recording by Sido.

Recording identifiers

ISRC
DEUM70904877
CopyrightID (CopyrightChains transaction hash)
0x43fb1107b68559e56591b693bc6580d9a6ab14832fe2afa3430c0f7cfc2faea4
Copyright registration time
2026-06-06T08:26:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3085e62228ff57129dc2cf433b3324c22495ff69b03d55d9d06ef958916c239a

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.