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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85bb1dbe92ad47fdc7c4fdb2718ba28df83839111dc87108553b50eb465c8d5. 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/7febf231-5ed7-4630-a4df-7313201a3701.json and https://artists.proofprofile.net/proofs/artist/7febf231-5ed7-4630-a4df-7313201a3701.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 → 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b21bbb17986b7b14e5f55388306749b7ed01416d9303d8fb939b1f70118177b. 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/USUYG1244403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57103ebad246dd04aebd60b6d97ac80ffc8a810ef92e53bc67fe094d0112ece1. 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/USUYG1311010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35d67663477a6e0cadeb01d3116014b14e8f6fef1c41c75833bee9a6e93b770. 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/USUYG1318759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x557fe9956a63bc9759461f20cc8a61d2e544abce6009d8fb80fb319644c03c9d. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/USUYG1321494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a04090eadeccd3466a96a17059f1bbbbac0e6ce296b507695d66ed5cec6623b. 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/USUYG1300571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa082565257274e69670989248186e1d9ca7b706eb5fba1d85f58d10d19f6b0c6. 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/USUYG1316638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2cf72989d21e3b46a767e82bce331ce9463274e0a029264d5e7177913945a7a. 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/USUYG1321498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25207561023e4c9aa6899a54f82097064f38fb9ecd04daa0ceebdda0b84185c. 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/USUYG1312675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9223ee69f888b1e767a8082d812a8ac84c6a6f7f08bd420b6c0be2624ea949a9. 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/USUYG1315873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b21bbb17986b7b14e5f55388306749b7ed01416d9303d8fb939b1f70118177b. 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/USUYG1244403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3c7bab609472588bcb7f227033e0eab4a8d6c3ebbdc0efe99b12435058a8ec. 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/USUYG1316832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7507656a9d41372245b0e029025f9b94ae362241ba0be964096ec7e37111ab38. 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/CH7811114638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8c5182b8a8f2708efce79041098d5b7e7580d326a9f00458ca2e7d714bf11d5. 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/CH7811114637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa482070bc1e9bb64c8d491caca35feab4fbb0364d9abb440599519171a040f2c. 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/CH7811114636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040ce6967dacebc111f3a9816e09e8e0e2a4d7c48128fa4bbaebf16702922e82. 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/CH7811115163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4633d678d7d4988322cc503f3dc7b805cd6c44ca5db3d1f8362a45e08081719. 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/CH7811114634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f7bec81a6dbb7b53719ba5be9ed3c233ba20c020f683f69c7d67c23c420502. 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/CH7811114639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535259c5aafb88b3a9c4ae9c7179efd046b0a43c58e6c34b6af884e473277456. 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/CH7811114635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d9aae452e0f84285119d09377fb8361cf261bb7532c4b8abe7443796798fa1. 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/CH7811114000.
I'm So L.A. (feat. Ray J & Kim Cartel) - Single