ISRC USC4R2218683
Verified recording
USC4R2218683 is “The Laendler” by Irwin Kostal,
registered on the CopyrightChains blockchain with CopyrightID
0x7d5b6f7de8859cb968a24204df3fba00c3dc542018055327c6e19b35a4741e1d 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/USC4R2218683.
Recording identifiers
- ISRC
- USC4R2218683
- Title
- The Laendler
- Artist
- Irwin Kostal
- CopyrightID (CopyrightChains transaction hash)
0x7d5b6f7de8859cb968a24204df3fba00c3dc542018055327c6e19b35a4741e1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c90420127d1185e8cf4f9ba9d2b9f357b3b1c8138c1720c532e1a5dd8120febe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2218683
- Bitcoin block existence check
- https://blockstream.info/api/block/953520