ISRC USC4R2218664

Verified recording

USC4R2218664 is “Overture” by Irwin Kostal, registered on the CopyrightChains blockchain with CopyrightID 0x62fb8ff767edafc8f59134630f64a32b08ca169e9b82b885bb933a93902b135e 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/USC4R2218664.

Recording identifiers

ISRC
USC4R2218664
Title
Overture
Artist
Irwin Kostal
CopyrightID (CopyrightChains transaction hash)
0x62fb8ff767edafc8f59134630f64a32b08ca169e9b82b885bb933a93902b135e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:aacfa994f393b494e9efc31e963defd3036d21a9f5e2e61e9227a95c88523538
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2218664
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Overture · Machine-readable JSON-LD