Rund & eckig

Recording by Black Tiger.

Recording identifiers

ISRC
CH7811928564
CopyrightID (CopyrightChains transaction hash)
0xa906622cce638909ce8f504e8d55a0b0de02847fd516e4148f0c06a2e72cd61d
Copyright registration time
2026-07-07T14:50:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:9925c97d4ceaadddad27fa2d41f8ea96aed6ff74f6ccee2706301083580f9a69

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.