ISRC USHR12448063
Verified recording
USHR12448063 is “Cesar” by Jon Opstad,
registered on the CopyrightChains blockchain with CopyrightID
0x36b90a66b60f1a779b6117d10cd8b53013d76032f822f2ee0a1ef240bc06be10 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHR12448063.
Recording identifiers
- ISRC
- USHR12448063
- Title
- Cesar
- Artist
- Jon Opstad
- CopyrightID (CopyrightChains transaction hash)
0x36b90a66b60f1a779b6117d10cd8b53013d76032f822f2ee0a1ef240bc06be10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:42c0e965cf5bd8467115c8d5ccdc1814408a99cf0544e12dc2e5601b5ee7ab7b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHR12448063
- Bitcoin block existence check
- https://blockstream.info/api/block/956889