Jonas II

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
ATF069100050
CopyrightID (CopyrightChains transaction hash)
0xba73ed94b1288430a84196e68cdb4a1d392f56e8d4871493bb5ea70e5c7266d0
Copyright registration time
2026-07-07T22:36:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e71264211255cc31cad5d93f1d26972b585f9ff81470094caf82517f950131e8

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.