ISRC US4QP0632227
Verified recording
US4QP0632227 is “Antony and Cleopatra: "The breaking of so great a thing"” by Samuel Barber,
registered on the CopyrightChains blockchain with CopyrightID
0xc1a0acc5288559eabc2d65e4b5753824fc07c0f826018c379f787e0e41a99a1e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0632227.
Recording identifiers
- ISRC
- US4QP0632227
- Title
- Antony and Cleopatra: "The breaking of so great a thing"
- Artist
- Samuel Barber
- CopyrightID (CopyrightChains transaction hash)
0xc1a0acc5288559eabc2d65e4b5753824fc07c0f826018c379f787e0e41a99a1e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a6c192bc88f5738bd810e7652049b1e6946cc7994aa4e72438ac637d4f341f29- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0632227
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Antony and Cleopatra: "The breaking of so great a thing" · Machine-readable JSON-LD