ISRC US83Z1822773
Verified recording
US83Z1822773 is “Say Goodbye” by Medsound,
registered on the CopyrightChains blockchain with CopyrightID
0xec31cdd5468c44dc81b6dd9189897ff74ae34bc16e790fb005393fb0c972c91b and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1822773.
Recording identifiers
- ISRC
- US83Z1822773
- Title
- Say Goodbye
- Artist
- Medsound
- CopyrightID (CopyrightChains transaction hash)
0xec31cdd5468c44dc81b6dd9189897ff74ae34bc16e790fb005393fb0c972c91b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:26d1ddc91004217bf3a71f8aa1994b9409314bb14f6836a740a0605bf4fbd8ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1822773
- Bitcoin block existence check
- https://blockstream.info/api/block/960258