ISRC US83Z1911329
Verified recording
US83Z1911329 is “Changes” by Gustavo Koch,
registered on the CopyrightChains blockchain with CopyrightID
0x4fc48f9290058dce3aa51a3473b853487a7f365ba3919b4e668ebd5d80f441b0 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/US83Z1911329.
Recording identifiers
- ISRC
- US83Z1911329
- Title
- Changes
- Artist
- Gustavo Koch
- CopyrightID (CopyrightChains transaction hash)
0x4fc48f9290058dce3aa51a3473b853487a7f365ba3919b4e668ebd5d80f441b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:641a7ee375ce33505b788064574596cb06ac4fe6bef5dfbbfcbb87adfa3ab9a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1911329
- Bitcoin block existence check
- https://blockstream.info/api/block/957118