National Orchestral Institute Philharmonic
{"copyright_id":"0x7ffe23c5ced0c63c174d6de7583e99746f96cf6c5aa853e5df812fdbc0de2170","name":"National Orchestral Institute Philharmonic","registered_at":"2026-06-16T22:09:28Z","symbol":"NIM1190697","token_address":"0x9fd434a74fa4eab56a858a3a8171f73f48b4ed75","type":"artist","uuid":"5d2ab66a-66a1-4445-b7f8-12ce3d249d0f"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ffe23c5ced0c63c174d6de7583e99746f96cf6c5aa853e5df812fdbc0de2170. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d2ab66a-66a1-4445-b7f8-12ce3d249d0f.json and https://artists.proofprofile.net/proofs/artist/5d2ab66a-66a1-4445-b7f8-12ce3d249d0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Corigliano: Symphony No. 1 - Torke: Bright Blue Music - Copland: Appalachian Spring Suite
Thompson: Symphony No. 2 - S. Adams: Drift & Providence - Barber: Symphony No. 1
Harbison, Ruggles & Stucky: Orchestral Works
Gershwin, Harbison, Tower & Piston: Orchestral Works
An American in Paris (Ed. M. Clague): An American in Paris (Ed. M. Clague)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34caf4f19b60d5b982e1d7e11253befc400bd81bfdde574ed707ef3464d07609. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191909901.