thumb|right|Jarmo Saari in 2007. Jarmo Ilari Saari (born 14 March 1970) is a Finnish guitarist, composer and producer. He has played in the bands XL, ZetaBoo and Anna-Mari Kähärän orkesteri as well as
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 0x2a1ef07259c4948a75aba773c4950c6c9158cb4b975c2c72546d9f327e1a82c5. Chain 2 (Bitcoin): anchored in block 953808 (2026-06-15T16:45:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f3885186-fa5c-4ded-b0e8-ce499ec1d2d1.json and https://artists.proofprofile.net/proofs/artist/f3885186-fa5c-4ded-b0e8-ce499ec1d2d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x1da54eb07bb22668ba520493c1f65481a0d81dd64c168623801f0b9e604f5ead. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIBAR2400615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f1515bc05b610a36f3735260f846011ad90a072c3a21950b5db2edf57fd5cb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIBAR2400616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38989f0cba111b772f9121d72c5a194c7d71089cc0d4f70e80f89579ab06c517. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/FIBAR2400617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b84d4c2c69e96d53b296eb4a1ce8f7f6e62a38ec3dbe24dfcced207d4e871bb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIBAR2400618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f18998f3331706f55f12bd6dafe20b5c19ba026b59f6beb7f3a98b27d16d08. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FIBAR2400643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9f9a27fb7665b19ec79cba85c3a6dabdf4792d26c3286b50a1d4246818af16. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIBAR2400624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62417de483f0f41af40e89d29ceaa581d8543d87dae7dba4f69e7d50f07a2f0c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZ9F52150228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73dc6a150ff065f0ae5818ea4215a54d4273e4ed05c156a2e81d343c0b26be3c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIBAR9900173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c414f25ef895daebc0ebeb115275e6a297af5aded109d6446195676f688b350. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIBAR9700049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6ea43c22fd389f9cc6ec5df17b0a150a0467793de69999a682b69ccde3ad1d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIECL2400050.
Cyclomania (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76a03a34fa3772b341e94cc8ac2c2f513107fbc1d9a1ba352162bfe4e48f9bb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FIP192500003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d1f8e850d9784d7b844338b20b5cc4c3e829393c9fa068012a05a950a6b9e7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FIP192500004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829f3867a11b161f4dbe2a5268ecf79cceb4f37bf3629df80ed3fc3bc65dee67. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FIP192500007.