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 0x26a12939d64beceaa55396c3ac66a195268d776ca823badd8838c20a97947014. 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/72388c54-dd3c-4eaf-99f2-74e5a4692756.json and https://artists.proofprofile.net/proofs/artist/72388c54-dd3c-4eaf-99f2-74e5a4692756.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Most Known Unknown (Dolan Beats Classic)
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2329b60eff777933388a027de01a8a94704d6a2c22273f8865a0ff70549735e8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3jqww1lt7xP4syFYrKFRhm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3jqww1lt7xP4syFYrKFRhm.
Drippin' (feat. 21 Savage, Lil Yachty & Sauce Walka)
{"copyright_id":"0xdf45d081f3dc58d9708277b9c9199e822ef5ee4954f5772ad4894282f6196bc4","isrc":"USLD91713631","name":"Drippin' (feat. 21 Savage, Lil Yachty & Sauce Walka)","registered_at":"2026-06-20T08:39:39Z","spotify_id":"3c4lnqTYsrsA4g6eeoQXgX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf45d081f3dc58d9708277b9c9199e822ef5ee4954f5772ad4894282f6196bc4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3c4lnqTYsrsA4g6eeoQXgX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3c4lnqTYsrsA4g6eeoQXgX.
{"copyright_id":"0x902fd694d52282fde8d83bcc7ccd98fa890d5e01faa613fe6355b296b30a7387","isrc":"USLD91713632","name":"12 Bars (feat. Chief Keef)","registered_at":"2026-06-10T18:13:37Z","spotify_id":"7HhgLGAEAL8VQFYtGSK4SF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x902fd694d52282fde8d83bcc7ccd98fa890d5e01faa613fe6355b296b30a7387. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HhgLGAEAL8VQFYtGSK4SF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HhgLGAEAL8VQFYtGSK4SF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550e4de2aa92834e9f4f2b6b3548e7945e92e5b30b164d2e392412d6b4964642. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5pIrCpNYouKnxUE9fFzC85.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5pIrCpNYouKnxUE9fFzC85.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa714867643a22476ef1900dd62673c5458890d26adbe2e0631d4ec2c7b3fe742. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6KoKBfEAM6aCpfVaJVzBB4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6KoKBfEAM6aCpfVaJVzBB4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff18110ea3e385efad8b0f286b8a96778ae046f5f3f8c75056362f9355a93c7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/060dPabGy2uuU6z4w2NJDt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/060dPabGy2uuU6z4w2NJDt.
Like Wassup (feat. Lil Yachy, K$upreme & Bigbruthachubba)
The Spot (feat. Manman Savage, Key! & Hoodrich Pablo Juan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e4796c70957851b687853432a4ec29d3fc0db0a1a270513358e13b27ecac96e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ZLtdk85l0HTNcJ82HopwK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ZLtdk85l0HTNcJ82HopwK.
{"copyright_id":"0x05a155b968d70967745ff48811f3971455526ccfdcf66a95f4a5b5fc21be2fac","isrc":"USLD91713640","name":"Ice Chain (feat. Young Nudy)","registered_at":"2026-06-24T06:27:34Z","spotify_id":"5VuqCohjsZ22TmH5e8wtDh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05a155b968d70967745ff48811f3971455526ccfdcf66a95f4a5b5fc21be2fac. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5VuqCohjsZ22TmH5e8wtDh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VuqCohjsZ22TmH5e8wtDh.
Neck Shine (feat. Lil Yachty & 21 Savage)
{"copyright_id":"0x60d849a89ea306d698907f5e23fe3243c55eee340b702e082e495cc6b7be8247","isrc":"USLD91713646","name":"Neck Shine (feat. Lil Yachty & 21 Savage)","registered_at":"2026-06-19T12:08:47Z","spotify_id":"7c1idPsU6Cj7fJf3yoggYW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d849a89ea306d698907f5e23fe3243c55eee340b702e082e495cc6b7be8247. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7c1idPsU6Cj7fJf3yoggYW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7c1idPsU6Cj7fJf3yoggYW.
Roses & Bentleys (feat. Shabazz PBG, Drugrixh Peso & Drugrich Scarfo)