Ring-o-ding

Recording by Marta Kubišová.

Recording identifiers

ISRC
CZA166900003
CopyrightID (CopyrightChains transaction hash)
0x4e31d4d9093b17d227f23c1441f1912b35be39dbb2bcb99beb88ef8964a006da
Copyright registration time
2026-06-24T18:39:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d390700ce4a5677d1972e27429ac7d656bd31a55085f65f608da2980a836d937

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.