ISRC USUM72105929
Verified recording
USUM72105929 is “Lost Cause” by Billie Eilish,
registered on the CopyrightChains blockchain with CopyrightID
0xee706ba7537aa26fba41a91f5fb7e56c5487b851a68c86569901b1a296c43d5b 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/USUM72105929.
Recording identifiers
- ISRC
- USUM72105929
- Title
- Lost Cause
- Artist
- Billie Eilish
- CopyrightID (CopyrightChains transaction hash)
0xee706ba7537aa26fba41a91f5fb7e56c5487b851a68c86569901b1a296c43d5b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:49f96e113a1d64131c2b9f41bc939a7c17dc3ca68c20bb0073d420097c119caa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72105929
- Bitcoin block existence check
- https://blockstream.info/api/block/953513