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 0x9e1a1192981b92ab21daf30d96bd80eb87d779ee1901a759e59f959067da4d99. 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/cb26ca3c-c65e-465f-8808-7d018e4d2693.json and https://artists.proofprofile.net/proofs/artist/cb26ca3c-c65e-465f-8808-7d018e4d2693.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Supreme Team Guide to Excellent Adventure
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 0xf40d91e7d9d90e1fa927d983ba48100d3220bdf604b8cd2c042bf3fde69a7f52. 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/USA2P1341246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58dedd62ec39f8fe8235d04f95a1a6dd59db17f818e0bd31dcacc5a0ceaf7d52. 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/USA2P1341247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46a079148d7fbe69f13e108a63c2b08db5cc1c93fb7455d3e2f17336f202958b. 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/USA2P1341248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75b7756366e2452df7489ae3496bcafabf7b20dd46f04d9852658049b27a27c. 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/USA2P1341249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491749dd693551dfed3e5eea8cd4bc3748cef799816e748879eabc1920fdffa0. 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/USA2P1341250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73bbd71980194a55d8853f631adfa7c8ca36e4012e68a1c0a145a84f8811b678. 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/USA2P1341251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b7c32734e46002e453b0f97393fa6e99561685222f248c90ea5ef82ce3c3f4c. 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/USA2P1341253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fb8bf740b587317c7e9676d01501a182fad58b9ffe3c6172e8f77aa04d15d3. 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/USA2P1341255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e6b5597c9d915774294ac79e46c39f961a37f681fe9d9296192898fe6ad9c64. 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/USA2P1341257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9ebc846d48df2902b34e57d0a00cf1123bdbf79d6530269217d65fe0a3e5d8b. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:06:02Z), 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/USA2P1341212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc6983b42981b6fedc27b7470b72815304aea5f801e99f1660cf1391108e9046. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/KRA381000916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fdbe0500a79cde65276f75d39550c6e6e30878e71cca0ee9c53a3d6057fbb2c. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/KRA381000917.
Zoo (Feat. Supreme Team, Yankie, Mellow)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe6ebe2f7ab48438b58b15ad337462fa885622e08b870e70ab841445ccb55124. 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/KRB141200060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f6f9e90f6a26c7ac95a8de13a55642692752d0afd4ccd0245c1a3f466554106. 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/USA2P1341204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1909cc2414dc9d225376f1ff6e19422bf1f57066b93ae81a1504ff1732db30ec. 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/USA2P1341365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e6fb41d41ed6e4834af15dfbb213720d54cdf7851a2337cbcb2a3a9068df97. 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/US3DF1837119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9caa16525d6a7640d5470e97aba38f61cdd10f2af8017c66b7bbb501f4168c9. 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/USA2P1341347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7817d2f7f21fc2fdcc42566c139e586c4fd5701dae1165fba597057de37adb12. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/US2S70786001.
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