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 0x462d10951b3a5414437f571100229479c1d94a581ea8f2e3fca273c37da5fd36. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d8721be-8476-4550-89ad-ee200b6a1e63.json and https://artists.proofprofile.net/proofs/artist/1d8721be-8476-4550-89ad-ee200b6a1e63.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 → block OTSBitcoinBlock must exist at that height 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 0xbe24eefab1b87aa192d2684fbd856e741f4278f133b34c9a6110bf53ddeebc3a. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/QM3DF2269665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca28585b32db94f6bbd9ecbd111405795e9539adb43996cc7274cb2fd9f6ba78. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/QM3DF2269654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc54a259ca977a06d2034fce61eece3edeb6b8c053706f7f08166d9b2f89ec06. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QM3DF2272319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9381ba6c1dbe8ea82f6962a46d345258f5082a34136a49bb42635833f1426d0a. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QM3DF2286991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6e09ae850e4835af19a90befd1ccfd487a93b0e21c6f74398c65e76fb34239. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QM3DF2292159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d2293a3ace12b3f7abe1f20fdecf7055b14705bf81a7a177e897f647591e23. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USANG2434869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa9cd13c1a9785db8fbd8dfdb78c58b01aaa770c5d1478c823ca93a8bef1606. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/QMANG2401417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2286dff38bcf267bd93d18c604681befd2b69ef7c354b26d04a66c53f9a5d352. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:17:16Z), 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/US3DF2415823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x415a3f9130f9f505eb94c532fed5a44c75561b9e630ea61707d52f185a2d88b6. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/US3DF2460179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816abbb24c80dc9b1ec12c38d687a5986abbb261c886db3e6ea2e8c55bc36a53. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/US3DF2490318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea39a7ccdbd3f6596967bc81c5327b8d6b55eb9cd69ecaf693bfbf04b79f45b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/US3DF2495377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bbab79a0f46f3a36d1ca6a7a85d6025e632575ea00a52b2613c62478f4be691. 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/US3DF2495378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a13e5a7ea3732f667cf8606676b3c07bdce86dc1b2659c3e9a5614ac5d06e8. 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/QM7282421916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f97585947c9f72ae986d6802239b10605dc3c87c008b685a8e5dc8b182f2247. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QM7282421917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6156d6bd6714cf993d144d70d1d494af4710d3427959a900980ace4d084f9a44. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QM7282421918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98929bb13cd5fd73bf2b68e58813d628481d7ffe848b67e03b98f5065b1a39e3. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/USANG2448656.
MONTAGEM NOSTALGIA DEPRESSIVO (HARDSTYLE REMIX)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f384c6e0bd7d8811d83d480ca0db7a2b1cdabb52a079330f6997cd0e31be2d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USANG2473617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b0549e041b347ae29a7c07551eb69e35116fc6182f10f2ca068a0b523355bb. 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/USANG2473616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638c4b836d885c580925a5cc3d3fca0a955fd197629b19f088318a12eafc9f35. 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/USANG2473615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94d36ac4ec72d76ea811bfd0d5c6513f00e9e15cdf7dbb5cfd3c4358bb9cdcb. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USANG2473614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c78fc5c47077d278c136a723eb7abf788c57d0ed3be76c35f2cbecf8aeb949. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/US3DF2522665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04ca00b869772891770753354c54b7be3467c63369dd95f1475e0073b85372b6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/US3DF2491399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62bfb0821639bcdb6fc7d2ce2f2790eb87397a297f42f73ee5cd2501df8d3948. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/US3DF2491398.