ISRC QMDA62104749
Verified recording
QMDA62104749 is “String Vibration” by Knowsum,
registered on the CopyrightChains blockchain with CopyrightID
0x71b2fd6cc5a59f50cf51c9ab8a920404323c27e0c34cecbb13b3e1e8598bb3b2 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62104749.
Recording identifiers
- ISRC
- QMDA62104749
- Title
- String Vibration
- Artist
- Knowsum
- CopyrightID (CopyrightChains transaction hash)
0x71b2fd6cc5a59f50cf51c9ab8a920404323c27e0c34cecbb13b3e1e8598bb3b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:f7b66fbdb2d57f953c302670e387720c36224b67610a9761ed3b0671b9106f38- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62104749
- Bitcoin block existence check
- https://blockstream.info/api/block/960463