ISRC USB960442108
Verified recording
USB960442108 is “Unworthy of Your Love” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x62f3a63296443b7eb9f757eaa1fa203d930f78f7461dbe40ea98565635eeae1b and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960442108.
Recording identifiers
- ISRC
- USB960442108
- Title
- Unworthy of Your Love
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x62f3a63296443b7eb9f757eaa1fa203d930f78f7461dbe40ea98565635eeae1b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:800c12c8bc1cbf9ce4c5ae7929214faf145cf3385315b7d3c96213248f392e6d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960442108
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Unworthy of Your Love · Machine-readable JSON-LD