ISRC USUM72217305
Verified recording
USUM72217305 is “Heartaches” by Toosii,
registered on the CopyrightChains blockchain with CopyrightID
0xd961b5a742ba29c596239026827adad34cb5c8811e31b9778d90cd1d79d3c756 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72217305.
Recording identifiers
- ISRC
- USUM72217305
- Title
- Heartaches
- Artist
- Toosii
- CopyrightID (CopyrightChains transaction hash)
0xd961b5a742ba29c596239026827adad34cb5c8811e31b9778d90cd1d79d3c756
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:f9305e90e7ef19e10afda095be883774c6523b10774993d416edf14caf4becb9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72217305
- Bitcoin block existence check
- https://blockstream.info/api/block/953513