Round Silence

Recording by Wolfgang Haffner.

Recording identifiers

ISRC
DEA890900270
CopyrightID (CopyrightChains transaction hash)
0x0fae40a0e8bfb18e8192b6fc6c047cfbd9a54802174c5bfcacbb41e571b5fb43
Copyright registration time
2026-06-23T09:40:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b194e311052bc1653b92d0008695fb67b64dc93fbda57d8b5f3aef968a3e3b0e

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.