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 0xa0d9ec040bf0d215211692ef5e04ac7d6a6b8a4194b9258ce545400a2abe6abd. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a26d301b-3304-4ffe-b874-50ae1761d82e.json and https://artists.proofprofile.net/proofs/artist/a26d301b-3304-4ffe-b874-50ae1761d82e.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 0xaf717d66ced12d4c3fc230e2d06d866e6dcda4cc7dc206a09e009c40d0c6e1d3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZGXC2300828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x713f07ac718803b6ad12e30e29978c2abdc2738aaca62e96476b908c31a2bbf2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZGXC2300829.
Wherever You Are / Better is One Day - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75154b5f55f84e4c480724a09bd604beaf99dcfdec246baa99201f2903f6695e. 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/QZGXC2300583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ada0d4cc432029b4f39dcc55b0a2f27b3d621b4ba3e8eb24967b5a01b03488d. 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/QZGXC2300609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x890f8969692a6e14b324911d9967ee5ec6f8d140d6dcf3238a9178f37c64422c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZGXC2300833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14db1334b069a74b1ea691a609fc78beb1116a698bc22cf920c7f44212810ba2. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QZGXC2100054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf72d8cd06b370ca60b92af178a5e9d1dd0fed6bbca7015699fc675b17f73d877. 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/QZGXC2100057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a92b1da03d5a34c05c92ec358b78b59da0f7de0c95a6cc2d1eb75c027b49c72. 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/QZGXC2100060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bad09f50154417ead0b2308b8193fcc13f355653b34c3ddff9a66ef523be275. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZGXC2100061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5cd4f12c8fadd3bbade680757f833af3236591dd9f6bc58a246f007e07f57dc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZGXC2100062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b4fbbb5968828584694a7e00a393869570d1678a23a282fdf84c5a4457c6ec. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZGXC2100063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d62df59436c64e75a567b22c23c0cec60f5d58a08f8aad03228e83ee71a0de. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZGXC2100065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe06a328801d537c74602f75e82c4ce1fd993e49cff31ff1c664114faebad4d3d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US25L1800455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4feefa500712bd5ffcfd7c981a70d0221827d5dafb33ca68f45aeb4b8a1ca052. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25L1800458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7edaf94fbfd7639c1cf6ca30cc1799a142079dc1152aad8a4bedb4106072cd. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QZ9JZ1724349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78700bad356e1a1d65eb1534e845a880c11a47a9560617ec2a0c2b062f10101a. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/QZ9JZ1724351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a92b1da03d5a34c05c92ec358b78b59da0f7de0c95a6cc2d1eb75c027b49c72. 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/QZGXC2100060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3151acf8282a3419a5d640d63ef655696c45648c27b7de5a5871ccf8beb4db. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QZGXC2400953.