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 0x19125766536f55641f8094de359a9a12e2e5416ca70dfb20228b5a5b32475138. 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/5ab46929-b6ce-4562-8170-3022ea777be1.json and https://artists.proofprofile.net/proofs/artist/5ab46929-b6ce-4562-8170-3022ea777be1.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 0x7ed20e918bef5fab67ed643ee593ad336ef1b03b66708f5109237f43a793e7db. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/TCAEG1933722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x158d42abebdea1effaae7cbfe29c35b1bf27d43cc866e9904ad124022dd8a00a. 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/TCAEM1983617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5793e23d41548c0b27e8f22045dfdf3b4a2e4db1322ae89a3c554d51919fc2. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/GBSMU8673575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5215aa25eb6756c89ca6c5d0c48d31ea8ae1c1181f91b162cde0b1a03da07d15. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:09:14Z), 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/USLD91729465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83b28697cf4608c79443bea0ab109ef5ba04630747f1e95af47638c6cd0a0ea. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T21:42:54Z), 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/USA2P2101694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361fd697e15fc226be0e49f43961cbb3b53e3e70331f3dba8022678f63e10e1c. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T13:09:24Z), 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/USA2P2105904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56170625aa4fb699b421baaa472037c51585d11980e404d665b4efa588a407b. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZS632197466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49c1490baba08a8f6ae14cbddcdfa25fb13ea0a0724999c020b5ea407c51e11. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GX5MX2110419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47af0d8e26c51d4257b5d0844109f1df4f478e6aee3b094fa929d3ab299b2454. 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/QZS662257441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x782404890db36de2c0a0c65f0d3d765117ef39636c17e280931d0e376c3bf251. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NLT2H2200299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e7ef8eec8326f9376dea3b29e96919f2945cd649ce41bb2f1b54c817df596f1. 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/QZMHN2216642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f57e9572e6d8fc7eac70e6deb50ad88aeaac8db6432b4fd4ed5ebb6bde0518. 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/QZS652201682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4aee5a0bc9c6bc29fbdda1ce1dc373c0d0718e6f2be76dc171bfcc50a812903. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZS672200366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86290d811e265fbb760525dc5948b8b3970dc341836a9524fcba55bb9e117d24. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZS662285689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a44385a249b11cacdfb13e6b200e598e16df51ca3b77cd420d8c5cbf50777dd. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:15:41Z), 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/NLT2H2200967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88b78f3e4e79a8ef957f18ac2167a7aea680aad4d070a87284f6d5e4c6283a3. 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/NLT2H2300332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26d3e17721390abe74616848f6b30c22da4b807c481fb57b6dd7f236758bede. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/GBKQU2349177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92c5299a6cc94a48e9ca610ebd30a7cc5adc847c903205809580d0f7441d02c. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBLV62317209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08dd449629fdb69f27849066efe21b5189ae3f566b0a9375bcb4130612643362. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/QZNJX2402752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x431abb6d4086abc1324c5cf94d981723d9b32ad27f041d2f71db71c4f265e189. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), 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/QZGLM2574303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ce6f658c0383cdc3712f59584562b4f914b0fca8bbc9265e33c4aacfa3fc3a8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZNJV2525912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcadf39d162132ef5e65a064cdc3bac841a04710a386509c07f2e4a9feb5ec25c. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/GB8KE2511523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x497f02cf04b810f720c8b326a15c3a02b3826cb748bee10140d4f21a30b9ba05. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/GB8KE2511525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f69193b5c223cca05db698172e7b55d60b1dc3c33fc7424987c7e50d8c62f72. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/GB8KE2518496.
Purple Lamborghini (slowed + reverb) [feat. Murdbrain & Milano The Don]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c3b11240ae5b62deecf615358e02a5744a49fb8762a21a39c7ca649d919c2c. 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/QZS672202080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0fae88434c5c97783a4556fd576f71e39b324a7da3609a598f82ad26b95466c. 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/QZS632293706.
World, Hold On (slowed + reverb) [feat. New Beat Order, Level 8, Murdbrain, Michael Shynes]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15e1bd76a263fdba51849b9a12c255cf0169fd7149c746e43df5fedeb0de37fa. 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/QZS642256198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae9c4123a6e8cf27f0830d95fdfe4247b73530fdf36d21b4e9898ebb8ac54c1e. 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/QM24S2102841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795d3c5d03ddb21a64d4b474401d1bd2d8ca8c5c24300c5be38bdf088a55fd87. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/QM24S2200557.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch