Klappesangen

Recording by Jack Berntsen.

Recording identifiers

ISRC
NOLTA1501020
CopyrightID (CopyrightChains transaction hash)
0xe1bfd8d73522bca0734ff81c07feb92dfcda0b3df273b6c353e33c3abd214fd7
Copyright registration time
2026-07-06T22:19:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6cfe244e69255fce2a826dcb68c3d72c25b899cef990eaa87977e0f84653abcb

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.