ISRC USA4N1600400
Verified recording
USA4N1600400 is “A Mighty Fortress” by OCP Session Choir,
registered on the CopyrightChains blockchain with CopyrightID
0x185b57f89948dfcc248b083b6c572811c65274815ec3f4ac4af28b6e684636a2 and independently timestamped
in Bitcoin block 960456 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA4N1600400.
Recording identifiers
- ISRC
- USA4N1600400
- Title
- A Mighty Fortress
- Artist
- OCP Session Choir
- CopyrightID (CopyrightChains transaction hash)
0x185b57f89948dfcc248b083b6c572811c65274815ec3f4ac4af28b6e684636a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:57+00:00
- Bitcoin block
- 960456
- Canonical record hash
sha256:ef3ca1fd40dba76f7ecaed5057b551b336b2f95dbfd76235b488fe31fc8dfa60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA4N1600400
- Bitcoin block existence check
- https://blockstream.info/api/block/960456