ISRC USQX92004526
Verified recording
USQX92004526 is “Zdes' khorosho, Op. 21, No. 7” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x8193be5215a51f8ae6d47bb3d3073e2a6f0bc5830d726963403a57f91ba7aea2 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/USQX92004526.
Recording identifiers
- ISRC
- USQX92004526
- Title
- Zdes' khorosho, Op. 21, No. 7
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x8193be5215a51f8ae6d47bb3d3073e2a6f0bc5830d726963403a57f91ba7aea2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:b5b3cdbf2b3a966b67f4799b70d60b8730b09a3b15dc0c8e74b976efc66f4370- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92004526
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Zdes' khorosho, Op. 21, No. 7 · Machine-readable JSON-LD