Brown Noise Sleep Therapy

Recording by Sounds Of Calm.

Recording identifiers

ISRC
PL90N2500088
CopyrightID (CopyrightChains transaction hash)
0x77108557e813d6e75f8ae33f1140dde6a340983ef2114d8c02d24e84a6e13595
Copyright registration time
2026-07-31T20:21:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:c6780f1121569fdbf468ed7c18341972d5414af61e9d41b3c56b4cd7cbad7073

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.