432 Hz Calm Sleep

Recording identifiers

ISRC

DERH82227803

CopyrightID (CopyrightChains transaction hash)

0xd1b127428dad9ebb3ad3c095b03b62db3b96cf6d134e39b23816bb7ad7654140

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:58:21Z

Bitcoin block

960330

Canonical record hash

sha256:4456cb57b9081ab4b9c16a549621f5c8e664d68e2a5be0947913394f6632e59c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.