ISRC USC4R2218685
Verified recording
USC4R2218685 is “Processional Waltz” by Irwin Kostal,
registered on the CopyrightChains blockchain with CopyrightID
0x1149ff47a6b98c70e78fa470cc99b646fee0cad0c88853a6d784ff53ca9357e7 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2218685.
Recording identifiers
- ISRC
- USC4R2218685
- Title
- Processional Waltz
- Artist
- Irwin Kostal
- CopyrightID (CopyrightChains transaction hash)
0x1149ff47a6b98c70e78fa470cc99b646fee0cad0c88853a6d784ff53ca9357e7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:787f5b3d1b7d57159a5e37ddd3efbc2a91787c4381ee58da3b051bbcb9c72de1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2218685
- Bitcoin block existence check
- https://blockstream.info/api/block/956302