ISRC USUM72105935
Verified recording
USUM72105935 is “NDA” by Billie Eilish,
registered on the CopyrightChains blockchain with CopyrightID
0x6631978bbf05570af7532937e950c73dc8694bca5b61b3ab74db1bf05b842541 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/USUM72105935.
Recording identifiers
- ISRC
- USUM72105935
- Title
- NDA
- Artist
- Billie Eilish
- CopyrightID (CopyrightChains transaction hash)
0x6631978bbf05570af7532937e950c73dc8694bca5b61b3ab74db1bf05b842541
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:894bf26787803e766e25143c52b842d5dc92ed094f9efd211c229af5a026e085- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72105935
- Bitcoin block existence check
- https://blockstream.info/api/block/953513