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 0xa19efd32631ef54190e09e45bfc73c3b88dc5cb4c4bde06fafb42fc3bed87e61. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3b20a33c-8817-4838-99e4-4215a64d0fc5.json and https://artists.proofprofile.net/proofs/artist/3b20a33c-8817-4838-99e4-4215a64d0fc5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nightcore House Music vol. 1 | Nightcore Gaming Music Mix, EDM Nightcore, EDM Covers, Nightcore Remixes
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 0x83826d52eb4a1eb0eb3855b5f93ed5ff1a20287a42cf24b3ad59ffbe42d39469. 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/GX3HH2279142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5290cd7f34a972f4804858ae717d8fc2e13a6a02516c16e09e88b012edf64a29. 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/GX3HH2279165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc001364b3ca68a35dcf884bdbd66ed353850fefa2b9b5db08fdf40d03ea35d63. 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/GX3HH2279169.
Nightcore Chillout Music vol. 1 | Chill Nightcore Music Mix, Chill Nightcore Hits
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe746da8b70ab34dc1fb20a913decc13d29fb9b0539e366c1674d006ffa4ccdf1. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GX3HH2279204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a337d5f36e4424b20b034324f2d9732bc6443a8bf8d349e1415bb01cd4be06. 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/GX3HH2279213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7cfc4722c3be4f9e3f01207ddb9df78951901233dfa587315e7749a4246329c. 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/GX3HH2279229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc424f10fb1d4df89f3ff70c3b628c4616dd0faa85fcc3a643d12177fdbec2381. 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/GX3HH2279236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd032e366d4491baae4e63db1280a0656f91473f59c39809bd0f3788dbf0e85c7. 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/QZYD92404714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b367ce21b3907b9fed9593c455dc62f1a1a8c870128214e74d8b5ddfe5cb5b3. 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/QZYD92404712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7059f2d4b9f99bc9bd2722baabdc4ef07525a3ab677e2543c9318d41f64a2a8d. 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/QZYD92404711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d37e953a0a2cf7a9457ce67de45029005e9764fc43fa287196fb85df6b929b. 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/UKZGC2409590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18086fb9b68b7afa2743c169a1b51804096e66392c857e1a8b27f5646ccd1220. 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/QZYD92404715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22c51907b987cc801ee26d3236fe5edcf534e8aff78ca94cf35ffe9d37cdf14. 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/UKZGC2406467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x700942527e7d4bfed29c225b3382ba2e465fa17e02880463d294e0fc33d64963. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/UKZGC2404422.
Can't Get You Out Of My Head (Nightcore Remix)
Can't Get You Out Of My Head - Nightcore Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98fd74c1f4d76288843e786ac4cfbf39773fc28716d9a7fa78295ee59725adf. 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/UKZGC2404421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x988efbdfffed425949ae844e75f8032a9a1e15361f54cec26177cb7aebd9cb48. 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/QZAKB2334429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bb4646c7a65f7907356c70094b3acc7a12f19ab910c8e6a193cdb868f4c5214. 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/QZAKB2334432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460aa0468606e0373aedf86e7f7c171f50bba7c8faa064798ad79220141940ed. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZAKB2326482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaf25be1867cf0e4758d7112863516bfb621b83706728dce981f04ca817f07d1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZAKB2173243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72874605aae8fa4292c780e1742f47a6240c2ba83a1ca4232ca0d7f95ad63dd5. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:00:46Z), 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/QZAKB2168590.