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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea09c98319e9ab79f0ef3abdf1c030b35af2c04f3f34afcb0e1dfd79c9796f6. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/989601da-4183-44af-a057-e812ce1cd6cf.json and https://artists.proofprofile.net/proofs/artist/989601da-4183-44af-a057-e812ce1cd6cf.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba7e2dcc1203fcef3a264543a5145827c51864e9246f421fe5e3bdcbfd3f841. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T03:52:09Z), 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/NLS241402020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52be7a0da0b14160cb6ef5c327f6b1fe8ac4da01e3904166a12affb2ed9e3e33. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/SE3OH1729463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108bb4b4e84ada567b8ebbb36c4bbbed886e4f25db6ed76196d09148d7cf2cb1. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/NL1AP1920970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc0d57bbed36f814671fc603e9fb22e0e2a6875ec8d3f1e02014b780a7c9f5db. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/QMDA62250020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650e7064c2ea1dbb0a04656acaf82c4de8dd2ca2a0dd2c3fa1f3df322307309c. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/QMFMG2326451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd8af557abf12a62475b4f19442249c067c10f37b3e3679c3a8bcea984bb9da1. 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/QM6MZ2433100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3734acde372bf55c5edfd4f2be78448e54ebd19a27215d22965a6a6fec434d. 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/NLXV51300866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc14becf16b03f59837f7f9ea290b169fa1240d88378cd5d4f40d26ebe3b03de. 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/NL9KQ2390348.
Gonna Make You Sweat (Everybody Dance Now)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7f4fbd007fc441745b8e8cfab8563453bedb6fc3190b9c6b6c22c9a85dd264. 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/NL9KQ2390178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebed3746d260ab0903baa696d5d4c3e7af8ccc112209dbdc9bd8a6fc3406aba4. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/NLXV51300867.
Sundown - Henry Himself Retro Rave Remix
Sundown (Henry Himself Retro Rave Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58074e13fd2f5f86f4f5a9311c49e21a0860ef74fbfcfdc120793ce0857c37d. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QMDA62284637.
Infinity 2023 - ICE CREAM & Diley Simon Edit
Infinity 2023 (ICE CREAM & Diley Simon Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0e969aab70f83eb3b00d8a76bc2347337fcdd53c4fc6264b680404512c79ec. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QM4TW2453743.