ISRC USBC18900257
Verified recording
USBC18900257 is “Comedy Tonight (From "A Funny Thing Happened on the Way to the Forum")” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xf9a58b8bc974df33645037748541647911d1f0e8562db1a4cefdbab4bc3e7abc and independently timestamped
in Bitcoin block 960185 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18900257.
Recording identifiers
- ISRC
- USBC18900257
- Title
- Comedy Tonight (From "A Funny Thing Happened on the Way to the Forum")
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xf9a58b8bc974df33645037748541647911d1f0e8562db1a4cefdbab4bc3e7abc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:32:48+00:00
- Bitcoin block
- 960185
- Canonical record hash
sha256:fb04e94c32faf0feb4f3c3f2cf7c51ea084b4e5cf3ebb48db97c10e5e861d803- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18900257
- Bitcoin block existence check
- https://blockstream.info/api/block/960185
Full record
Track page: Comedy Tonight (From "A Funny Thing Happened on the Way to the Forum") · Machine-readable JSON-LD