ISRC QZTAW2348772
Verified recording
QZTAW2348772 is “Obtuse” by Dot Dot Curve,
registered on the CopyrightChains blockchain with CopyrightID
0x9e1fbb8fd1de7115eeacf9ceda6c6b171b9d2dbb1c6774499c734eafc563d7d9 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAW2348772.
Recording identifiers
- ISRC
- QZTAW2348772
- Title
- Obtuse
- Artist
- Dot Dot Curve
- CopyrightID (CopyrightChains transaction hash)
0x9e1fbb8fd1de7115eeacf9ceda6c6b171b9d2dbb1c6774499c734eafc563d7d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:f8e4ff1dcc766a3d0b27a10cfe8e21319d27b1b67e7d32f5248de40c3781eaea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAW2348772
- Bitcoin block existence check
- https://blockstream.info/api/block/960138