ISRC USB961331717
Verified recording
USB961331717 is “Three Weeks” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x086b1a9b9b29d8153156c21798e1a4fbd2f1989d041eb9108ea28a60f40fdc9c and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB961331717.
Recording identifiers
- ISRC
- USB961331717
- Title
- Three Weeks
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x086b1a9b9b29d8153156c21798e1a4fbd2f1989d041eb9108ea28a60f40fdc9c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:119db0669279edd68b3003ac0ff963e36d7a9e536ff68e2cf76e3662fb77691b- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB961331717
- Bitcoin block existence check
- https://blockstream.info/api/block/960448