ISRC USZXT2557274
Verified recording
USZXT2557274 is “Substance” by Rezz,
registered on the CopyrightChains blockchain with CopyrightID
0xcc9d1f31011e82cd3d77db117926d796ff48dafe2b69c4b329626b3c97345c6b and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZXT2557274.
Recording identifiers
- ISRC
- USZXT2557274
- Title
- Substance
- Artist
- Rezz
- CopyrightID (CopyrightChains transaction hash)
0xcc9d1f31011e82cd3d77db117926d796ff48dafe2b69c4b329626b3c97345c6b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:e87819c9bcea74466bfff80bd7919b019d166136e344d47faa4e912a70921674- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZXT2557274
- Bitcoin block existence check
- https://blockstream.info/api/block/953515