ISRC QZS672193907
Verified recording
QZS672193907 is “Sideways” by blk.,
registered on the CopyrightChains blockchain with CopyrightID
0x103abe6c47edbc6952a666afed1df888abf76c355fd4865bc7451f0c8cc538e1 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS672193907.
Recording identifiers
- ISRC
- QZS672193907
- Title
- Sideways
- Artist
- blk.
- CopyrightID (CopyrightChains transaction hash)
0x103abe6c47edbc6952a666afed1df888abf76c355fd4865bc7451f0c8cc538e1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:088265281e152c24cce7075f493c112f2a9457e80b2749fe7cd3e6941b4e1d0f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS672193907
- Bitcoin block existence check
- https://blockstream.info/api/block/956304