ISRC USB960552519
Verified recording
USB960552519 is “Final Instructions to the Audience” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x165186103900a7f1fab1f84da252903bb9877660acd9c46eb66e52d15c0c61a4 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960552519.
Recording identifiers
- ISRC
- USB960552519
- Title
- Final Instructions to the Audience
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x165186103900a7f1fab1f84da252903bb9877660acd9c46eb66e52d15c0c61a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:75ce00f2457a85404a01ece480d0549bcda87ad863e4d8fd04e385cf76a97217- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960552519
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: Final Instructions to the Audience · Machine-readable JSON-LD