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 0x6b203638cf773c004f30116bdd5ec3997f74ca6a43168427fc367647689cd312. 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/40b9200e-83d6-4607-ad36-44ea23fcab00.json and https://artists.proofprofile.net/proofs/artist/40b9200e-83d6-4607-ad36-44ea23fcab00.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 0x30a8b276dbabd7ecb353f3b7d791619effc0b0794a066bd94eb789e71321dc14. 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/DEKF22200998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56644d7ecf39ffecb5f32c262238944f25f9de42de1bf11d6e0854b0fa1d18d. 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/DEKF22200901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040c66e68fbf458e877d601436b85e8e422521ada7b8a481b0a7912502bcea2d. 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/DEKF22200999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e2db68c8c526018bbf7ac11cf82ae5252c27c286aee62c840773a5019957fe. 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/DEKF22201000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a4de895d6c00b1606b692649c06795a4d6b7f48b88c3d32e855acac6c2a7f14. 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/DEKF22201001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa2f0d6c1652a8b9f93b5ac0b317336f28bbbd47a8d4349ac1d454bf485a989. 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/DEKF22201002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16829b9f66401eb8548f084b44e4e3d77ef54262642587bf2245c16cd4a93f8f. 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/DEKF22201003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc6fec7c62fa8cdb285ae68c249aca7357ce00b53b8555e9fb8c2a57f3a1e1e0. 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/DEKF22201004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01acd2d5ecf358eeb46a580f49ff659e333dae67c733c744cc5f881a7aec396d. 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/DEKF22101236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22c7d88d335404a269000476aa98a5b45998a205f4d6696916a9bc34f092e0e3. 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/DEKF22201005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed9dc6fddd5f9f59f066367d1f426e46748fca1323de3ab9af70ef0e5b6619a0. 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/DEKF22201006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc445c80d21659a69c625d3bd784414d1c3d76b12d549bb70b90c88b47a63934c. 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/DEKF22201007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af322b2947792b38d44fc779baf3d63db222f853f5b9781e49cb4cdab8773f0. 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/USZXT2351911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f4bd6a0ffca00ff492e7525cdefd5d31b294b580f4464c453a347301e6658b. 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/DEKF22300829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d1bd799ad289ca83d8b95b9361f63e62d687a757639a96b51a300950c0b496. 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/DEKF22401099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7e9c332b0ad59cbce6f3f1d1a9e947fd21a032f5c84d4f59f61eb8cbab1ad23. 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/DEKF22400866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd764d0d4d21b06aea7521184fd344ef09231886efad726c3138da66550a570. 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/DEKF22401533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41da305d6e3d5f6291b21fb7b7582b3190df5057018bc1339db890facefd1719. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/DEKF22401535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc683bdd3c5302d398fa4b8338ed4fabae5c1aba0984c68dc10a63a663e35eef. 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/DEKF22401537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90ed2a4f35fbcaeb9a28062f7ba9ed83e0620623b8cc6f8076b60bfcaf4c935. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/DEKF22401538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd566c461df96a76bdd254af447f507fac4f2d5cccb1c90255e02d89d5d268d39. 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/DEKF22100451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x462e919a5b6968e297f284468218566155b6d5cf1b1782176f859c3f9864a8e9. 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/DGA052040052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ee89ded081af24c7bc4cbd1a1c7e6eb0c2db33d2f1b3e79a37e3ef82ebd5f9. 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/DEKF22400971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc5449c6566cb51bdf732c458721fdf93849791ae6dbc49e9574cbcf4482d68. 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/DEKF22401696.
Augenmaß (feat. Lucio101, Nizi19, Omar101 & Karamel19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4422472f7580363630bc5df974d5ec46037a3cbd6efb073bd365bd97924799. 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/DEKF22101259.
Doppelkurve (feat. Lucio101, Omar101, Nizi19 & Karamel19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb874aef51016041d3aa70c542b17e6bf8184d266e15c926e36f433043ad3753. 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/DEKF22101311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ca25eb0be4163b161512da9623c65ed785c107197a1386b81ed0ff859be1c7. 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/DEKF22101312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3418c78d1d1efbb37d31eb7205b707f5eabfd3ddb6bb9ca699cdc09c68e2d89e. 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/DEKF22101314.
Neckbreaker (feat. Lucio101, Omar101, Nizi19, Karamel19 & Big Keen19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc4e589b86f3798347b7bf796466793fe695b161ae19df758f57f136e0df82e. 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/DEKF22101317.
Sekundenschlaf (feat. Lucio101, Omar101 & Nizi19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d3e396d1fd2112b814bf760fcdf894c0799d0b183b503bbf955fc6eeaf2460. 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/DEKF22101318.
1019 Freestyle (feat. Lucio101, Omar101, Nizi19 & Karamel19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x077f32b6baa311972cf56a828c6d3f84efeddf1ca6a8d887309aa5bbe2567e80. 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/DEKF22101320.
Überall (feat. Lucio101, Omar101 & Nizi19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b502b99a32720787b5d3bbb4400d12a4408bdf207a27ed58f4be66e9049de34. 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/DEKF22101321.
Bis früh (feat. Lucio101, Omar101, Nizi19 & Karamel19)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fa374b01c3af1cd6d6fcc007b84b8be72a070313e5745e23dea6a3072991eb5. 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/DEKF22101322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40487e6ccaadff62f65cfc075b7dbfd02dd4ed7716f0f9bd5b510ac3125eacc. 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/DEE862002004.