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 0x89dc705e26d2d9259e6095bef2e759cf341c6465673466ba6c65fd152a730325. 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/a9aadc6e-311f-4e52-86b9-edf0d3a123ae.json and https://artists.proofprofile.net/proofs/artist/a9aadc6e-311f-4e52-86b9-edf0d3a123ae.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 0xd163b0492fbf548bd3ef1eeb6424bd34a1225c1542c12af5284eb7ee69151da9. 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/FRX762340136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57442a987c51b53089467a36b06052bc6fc515c382eec3d5090485c47a3f7fcc. 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/DGA052372326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62565d2c0e27809b92265e72754f38e80999619a31cafc7fc93b625044061fa2. 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/DGA052372319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e184a9f23aca7818bc9d48cbb07e5cef4c2dd1915b643942bf3871f538db666. 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/FRX872363140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ea3c369ef60ca82d55101384081331e1ca079dd4f87f19c91e554d32fc3f59. 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/DGA052452337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f8e6351e4ab8d18fc0b1512b88f24b277a425536286374f0dc1b86b21d46943. 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/FR2X42494311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0848391ba070fe42adede422bed1c71cd5ee6a9b5fd931dd8660cfe5107cc8c5. 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/FR2X42494312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd163b0492fbf548bd3ef1eeb6424bd34a1225c1542c12af5284eb7ee69151da9. 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/FRX762340136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e1168c3a4aeb8f31bf2be7c5fbd8e1d6d569bcc5ce4172e4d54b13b72c4d1e5. 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/FRX202232937.
where are you now (DJ Planet Express Remix)
where are you now - DJ Planet Express Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc31624c38a6298ec799ca9c522aa587bd5be1599007795e5408ab40fb0a796. 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/QM6MZ2221238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48920d7a4f820e957cac9aa3b9c6b3a7962b26eb52ec1350b658810d1ae6082e. 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/QZMEN2062116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04ece7cde6eb285929d5d17ea34130fd035a93075b1684f4e3c73f00ab979355. 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/QZNWR2092662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316187bf37e44b9e669e4a3f661b3979a1fbfe85a21a1818864581d9ba2bad9c. 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/QZK6F2094189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0c479a98b550a89951f6dc51c71cda7ce1fd9f4aa791c19ecd08472e2902cb. 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/QZK6P2088808.