ISRC USUM71301429
Verified recording
USUM71301429 is “Problem” by Natalia Kills,
registered on the CopyrightChains blockchain with CopyrightID
0x67a8fa8a008235f9d9259e8ce8aee7c0eca848c69a0dd2186310ca71ee914e4a 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/USUM71301429.
Recording identifiers
- ISRC
- USUM71301429
- Title
- Problem
- Artist
- Natalia Kills
- CopyrightID (CopyrightChains transaction hash)
0x67a8fa8a008235f9d9259e8ce8aee7c0eca848c69a0dd2186310ca71ee914e4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:bbb2ea4f9fd1d6f9aad808a04de954a4e59d663ec3b7c9f072e1eb23de1c36e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71301429
- Bitcoin block existence check
- https://blockstream.info/api/block/956304