Calming Piano to Improve Focus

Recording identifiers

ISRC

QZFML2100093

CopyrightID (CopyrightChains transaction hash)

0x631850edb5b6db305c8f947f9b63d85353509f1bfe43969517aef91be24569f3

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T09:25:34Z

Bitcoin block

960379

Canonical record hash

sha256:18194469c14276c766fb0e1fc553a3d5c2e6fba1aded1da5d631f33f9bed35ac

• 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.