ISRC USBC10500360
Verified recording
USBC10500360 is “Poor Thing” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xbffbf7f829898827bf7fc2eedbbbba0fdf5fba18030a692889991c97a577f26c 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/USBC10500360.
Recording identifiers
- ISRC
- USBC10500360
- Title
- Poor Thing
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xbffbf7f829898827bf7fc2eedbbbba0fdf5fba18030a692889991c97a577f26c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:1751c497c0d03b59eebfefa0c1d2bc627f13febf1b9a94de92e41d56c433f044- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10500360
- Bitcoin block existence check
- https://blockstream.info/api/block/953520