ISRC US23A1561967
Verified recording
US23A1561967 is “Suite for Piano & Orchestra (Jazz Suite): III. Polka” by Alexander Tsfasman,
registered on the CopyrightChains blockchain with CopyrightID
0x3e3a889263fb7124b70cc41d2acc630a365f08c0c7ba0484a171270226c3c033 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/US23A1561967.
Recording identifiers
- ISRC
- US23A1561967
- Title
- Suite for Piano & Orchestra (Jazz Suite): III. Polka
- Artist
- Alexander Tsfasman
- CopyrightID (CopyrightChains transaction hash)
0x3e3a889263fb7124b70cc41d2acc630a365f08c0c7ba0484a171270226c3c033
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9904c529c5e08f13c26269ef4fc96492b5637c077d13334882834e8ac3eeab07- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1561967
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Suite for Piano & Orchestra (Jazz Suite): III. Polka · Machine-readable JSON-LD