ISRC USUMG9900590
Verified recording
USUMG9900590 is “Our Time” by Johnny Hartman,
registered on the CopyrightChains blockchain with CopyrightID
0x7f664a12ca7dd13f354fbdf2b58c3903c13ecd4ed658949359f14a05d679019b and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUMG9900590.
Recording identifiers
- ISRC
- USUMG9900590
- Title
- Our Time
- Artist
- Johnny Hartman
- CopyrightID (CopyrightChains transaction hash)
0x7f664a12ca7dd13f354fbdf2b58c3903c13ecd4ed658949359f14a05d679019b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:79bf0e276fd92cd735821d5ebed00722b45a9ec83ade4a2de79a4d6f9b45bcb6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUMG9900590
- Bitcoin block existence check
- https://blockstream.info/api/block/953520