ISRC USASX0531511
Verified recording
USASX0531511 is “Katyusha” by Matvey Blanter,
registered on the CopyrightChains blockchain with CopyrightID
0x426b686f4e25d4452c0b959ae254cb29aa651512289d5e7fb8bd989bd87e36bb and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531511.
Recording identifiers
- ISRC
- USASX0531511
- Title
- Katyusha
- Artist
- Matvey Blanter
- CopyrightID (CopyrightChains transaction hash)
0x426b686f4e25d4452c0b959ae254cb29aa651512289d5e7fb8bd989bd87e36bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:40b6bbbe0cd324d68d9fc51f899b5630ea7aef38c688e11f6c80038a568dc080- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531511
- Bitcoin block existence check
- https://blockstream.info/api/block/953513