ISRC QZWDW2445545
Verified recording
QZWDW2445545 is “Return to Calmness - 528 Hz” by Golden Frequencies,
registered on the CopyrightChains blockchain with CopyrightID
0x75c88971653f3c23fa6b95eca199123d9ec48c573b31fbeda958f899e49bafd5 and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDW2445545.
Recording identifiers
- ISRC
- QZWDW2445545
- Title
- Return to Calmness - 528 Hz
- Artist
- Golden Frequencies
- CopyrightID (CopyrightChains transaction hash)
0x75c88971653f3c23fa6b95eca199123d9ec48c573b31fbeda958f899e49bafd5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:536adcf1e62f64eb43f7ce877b55aeecce7a0f87538eb7ce4269e46fb87cac88- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDW2445545
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: Return to Calmness - 528 Hz · Machine-readable JSON-LD