ISRC USEAX1301139
Verified recording
USEAX1301139 is “Sadness” by Q Funktion,
registered on the CopyrightChains blockchain with CopyrightID
0xc11f4818a5c6735453dff5885c6b9acdedab02d16c8bc1ad17e49fceffac9d84 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEAX1301139.
Recording identifiers
- ISRC
- USEAX1301139
- Title
- Sadness
- Artist
- Q Funktion
- CopyrightID (CopyrightChains transaction hash)
0xc11f4818a5c6735453dff5885c6b9acdedab02d16c8bc1ad17e49fceffac9d84
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:5c03c5c7e39cb213e2c2d2310fbb6261f41f828594621d79334b199db0634486- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEAX1301139
- Bitcoin block existence check
- https://blockstream.info/api/block/953528