1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xa04b16a2856653190b3cb0804e048edc1c1bba2a1f6de8a07d44e4cbc72e5bad. 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/3b308f4f-7dc2-484f-9876-ad98bd7df21f.json and https://artists.proofprofile.net/proofs/artist/3b308f4f-7dc2-484f-9876-ad98bd7df21f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1937b2905cd6ab61b6c66bbd33d08cc34f5850c885d263b277d18e43c72b6156. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7dI02emkt9dR7iP2g3OjGa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dI02emkt9dR7iP2g3OjGa.
{"copyright_id":"0x7683f6c59b41ede2b8d5941db1d0b7ccc9df1c7b2595cb9a06e94e6b6b8c062f","isrc":"NLZ542100325","name":"Different (feat. Kéwork)","registered_at":"2026-06-18T07:07:12Z","spotify_id":"5nE1TOYEfLCqWWnsXukhc8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7683f6c59b41ede2b8d5941db1d0b7ccc9df1c7b2595cb9a06e94e6b6b8c062f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5nE1TOYEfLCqWWnsXukhc8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5nE1TOYEfLCqWWnsXukhc8.
Do Anything (feat. LOUIS III) [Extended Mix]
Do Anything (feat. LOUIS III) - Extended Mix
Always On My Mind (feat. Nelson Elle) [Extended Mix]
Always On My Mind (feat. Nelson Elle) - Extended Mix
Bass House Anthems: Best of 2019 (Presented by Spinnin' Records)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5962612a854d64451a23d07a258009ce1a34843fc89f181b46dfeb30aab4fee4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xSeGXJ6l62r6niIkFIo7n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xSeGXJ6l62r6niIkFIo7n.
Amsterdam Dance Event 2019 - presented by Spinnin' Records
Another World - Kevin de Vries & SLVR Remix
Another World (Kevin de Vries & SLVR Remix)
{"copyright_id":"0xc5e344c0c8d062c61fd2d04bc2c906aab2f9b9d748ca6b0d76e87272749fca35","isrc":"GBUM72406767","name":"Another World - Kevin de Vries & SLVR Remix","registered_at":"2026-06-04T06:26:02Z","spotify_id":"70hIxHhQLcxmqwxfcYkoUf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e344c0c8d062c61fd2d04bc2c906aab2f9b9d748ca6b0d76e87272749fca35. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70hIxHhQLcxmqwxfcYkoUf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70hIxHhQLcxmqwxfcYkoUf.