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 0xaef6c0edf111319a0452dc3f710a75af46768c5e5140e6e184dd7c5eecbabc84. 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/3f2a3e82-4217-42a4-ae35-d8d93871906c.json and https://artists.proofprofile.net/proofs/artist/3f2a3e82-4217-42a4-ae35-d8d93871906c.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 0xfa13b6247933af3af4c03be57807b29b637bbb6564100cfdbb26ce0be170822f. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/JPZ921902033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x328c506fc15be799da7cdfd46ca66c33b596f4f0a54c500481e3d523c0168f58. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/JPZ921902036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6777be9b5cda7ee7bc6627b83870d0b91ad81e2c055c91be35cf8460d109678. Chain 2 (Bitcoin): anchored in block 957767 (2026-07-12T22:25:13Z), 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/JPZ921902038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x599fabd9d2ea1ccd1d0634b8a06dc0c01a87166796c3ae8afb5bc6f970ca5732. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T19:03:37Z), 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/JPZ921902035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe07c41c517dd229c705303b4006b5e0409900d358d8751481ce1822ee5373156. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPZ921902037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89aae295a99d9d2b51930e1cfad4b029b3688dfa8d82e3f60d98ac63f47b4b42. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JPZ921910144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed4e0ec31270591ee32e0b27d3755ce7fabe230d651c3164e22238ded9a6032. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPZ921910140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b5a512bc968b38765a8d8fa1cff4be1ccbaeb38f01cb76239987ffaa04fdd3d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPU902000254.
色香水 (CORSAK Remix) - SACRA BEATS Singles
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5ea4de80368cc7d5ad8c7e227273ae1de95da28ad47f2f291902d5e9a077a5b. 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/JPU902101781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afda656ff3edb0a763be058989eadbcccd1b2a4142b0f3292e349c735bc725b. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/JPU902201003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87761ad48b7ad3befa1e88c6b870273138ef604f1c1dfebd312dc876cca1f5d8. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:21:03Z), 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/JPU902201004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5439c1233e7e8acb8e31795a83897571ff1e25a94b246e7abca3761c5abc27b7. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPU902201006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0da545d2c5d99c1f2e8755bb3c610c7d649b0f1b3341d9c054314fe4d917b3c. 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/JPU902203034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8ed5b12976c5898cf43b5a417e6d1a661de21d438b1e389e2de2184a88c440d. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T11:04:38Z), 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/JPU902303142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95324e328d1df86e0c67720764321a00483a0ae9e4a82c63c083f3c4c78a52df. 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/JPU902305264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf93de89acbfbdb41d06ae8315d12b3193679bb1c549539de9b59bab12a13a39b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPL542500811.