Modern Communication

Recording by Werner Karloff.

Recording identifiers

ISRC
USL4Q2071039
CopyrightID (CopyrightChains transaction hash)
0x4078a8ebd1a170c3e40e6d3a2b6d74c8b60b7accb2ee01165be36375c1f40610
Copyright registration time
2026-07-07T01:21:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f0ce6aaeaeea17f7263b3f714364f15761a81a2a23305be30fbf06d0b02f450f

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.