ISRC US83Z2477910
Verified recording
US83Z2477910 is “Shadow Cave” by Polygonia,
registered on the CopyrightChains blockchain with CopyrightID
0x339e592f61e4de4585200d7ecc91ee643ab65ef248bee0d8ed5021812e50a6e3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2477910.
Recording identifiers
- ISRC
- US83Z2477910
- Title
- Shadow Cave
- Artist
- Polygonia
- CopyrightID (CopyrightChains transaction hash)
0x339e592f61e4de4585200d7ecc91ee643ab65ef248bee0d8ed5021812e50a6e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:abf15de004b92594c9db2b33977d0417ece70289632673163f7dbd3abd4ecaa1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z2477910
- Bitcoin block existence check
- https://blockstream.info/api/block/957118