ISRC USC4R2219315
Verified recording
USC4R2219315 is “Long Before I Knew You” by Marc Kudisch,
registered on the CopyrightChains blockchain with CopyrightID
0xa1afd90f1542147a75996811f9d035e0acd4208a1cd797c238ea9817b225bed3 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2219315.
Recording identifiers
- ISRC
- USC4R2219315
- Title
- Long Before I Knew You
- Artist
- Marc Kudisch
- CopyrightID (CopyrightChains transaction hash)
0xa1afd90f1542147a75996811f9d035e0acd4208a1cd797c238ea9817b225bed3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:318c7d60ccc47ce5a5b53ffe350d184a3dbddae48a4cda7a05b9fa82ac5d297a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2219315
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Long Before I Knew You · Machine-readable JSON-LD