ISRC USB961110503
Verified recording
USB961110503 is “"Welcome to Our First – and Last – Reunion"” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x13dce1a4013e54e560743a92896947b9a01c73751bed8e245169ab5b897d2916 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB961110503.
Recording identifiers
- ISRC
- USB961110503
- Title
- "Welcome to Our First – and Last – Reunion"
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x13dce1a4013e54e560743a92896947b9a01c73751bed8e245169ab5b897d2916
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4c0135566ef2db4fc4468a78071e2f3dd07f2d47a920825c5b3deb5efd94fe29- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB961110503
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: "Welcome to Our First – and Last – Reunion" · Machine-readable JSON-LD