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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e8228669abe03699960ab5607dabb67bfbb282d6e5aeff87316aa3302ad4607. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/16a09aa1-e856-4c8b-b3c6-a8afc3556733.json and https://artists.proofprofile.net/proofs/artist/16a09aa1-e856-4c8b-b3c6-a8afc3556733.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A State Of Trance 1000 - Celebration Mix (Mixed by Armin van Buuren)
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f1ab4c6172656020c3961bf63268c66fe50635afc38a9ee193016bac34b552. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/NLF712100455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf9fcba025ecdcfce78fe4a94e30de03c39bfb4030d5452a4ad97c6eaba645a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLF711203528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38663f2907cda8f6c7ae44723a3e7fc654da9826a1198c9f2185c976a16a6283. 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/NLF711202771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf9fcba025ecdcfce78fe4a94e30de03c39bfb4030d5452a4ad97c6eaba645a. 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/NLF711203528.
Constant Invasions - Zetandel Cool Down Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef075cc9be7c1dd549a68370ae88231de90ecf85aa15782a6a3e1df009402d5. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/NLC731300411.
ASOT 1001 - A State Of Trance Episode 1001 (A State Of Trance 1000 - Celebration Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f1ab4c6172656020c3961bf63268c66fe50635afc38a9ee193016bac34b552. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLF712100455.
A State Of Trance 1000 - Celebration Mix (Selected by Armin van Buuren)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38663f2907cda8f6c7ae44723a3e7fc654da9826a1198c9f2185c976a16a6283. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/NLF711202771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb47595e4ee19a9c14856fc3ea5f63ef2a928ae569246db8d2f15b98c2a58783. 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/NLC731500069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b7592e7a814d16fdb8cae519ac7c0f1d51d92576e819891111b79c3a0e2ab81. 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/NLC731500022.