ISRC USB960552513
Verified recording
USB960552513 is “It's Only a Play” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xa9ed6b9badf31ca1ea833ff34d8bdc6d8e992ed38f8378e04d34056fbf54200e and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960552513.
Recording identifiers
- ISRC
- USB960552513
- Title
- It's Only a Play
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xa9ed6b9badf31ca1ea833ff34d8bdc6d8e992ed38f8378e04d34056fbf54200e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:d5f97dd39bf79760d8f0bae2f6a7b78dc889fc59f1150fd353c65475e001824d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960552513
- Bitcoin block existence check
- https://blockstream.info/api/block/960095