ISRC QM4TX2241877
Verified recording
QM4TX2241877 is “Sign” by Passwurdz,
registered on the CopyrightChains blockchain with CopyrightID
0x2bef099e018485b6d31e1534937fb6ff4e6dd887792a19af0ee3c76183cd5742 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2241877.
Recording identifiers
- ISRC
- QM4TX2241877
- Title
- Sign
- Artist
- Passwurdz
- CopyrightID (CopyrightChains transaction hash)
0x2bef099e018485b6d31e1534937fb6ff4e6dd887792a19af0ee3c76183cd5742
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:c052c3c807d74baa2ddebb5fa025deedf4441490e951ba785fa02d66c251fc54- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2241877
- Bitcoin block existence check
- https://blockstream.info/api/block/960459