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 0x0e1bd49d771c555fb79db8e5d02e64ce57124078b2269b9bc9bc0ab92690d661. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/82cd511d-217b-45d7-a2c6-223e332a26e1.json and https://artists.proofprofile.net/proofs/artist/82cd511d-217b-45d7-a2c6-223e332a26e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Maria Maria (feat. The Product G&B) - PUMPIN' DOLLS CLUB MIX
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 0x79bb34973adee40051b5b4f1f94debcbeba31df70dfafce0708209e0783e93e4. 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/USSM10906965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb311dab9d87c7ed3c2f969ebda78537eb9591b767e6f21f9b0c72e25bd15dfc. 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/USLF29900267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf38705d48698655c671763af448826dec8f084bf39691ee018ca9a69eaf7158. 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/USLF20400079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02df54055c8083b1a2f48ba37fdeac4492c9c570993653ec4a968c6637aeeeef. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/USBL10000155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f1bac2c19f0267884fa98a1aa37ac1046ce8329d1c2e5fdb8d37dce0c4a562. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/ES5702001268.
Soy Yo - Pumpin´ Dolls New Diva Club Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b7805fa8f9fe1695cbac276754fd0b2dd987dcb8308d2ed7c53e00ceb15c905. 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/ES5702001269.
Como Sueñan las Sirenas - Pumpin Doll's Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040603907d1524141590db3edaee9f09047a73b65046a4c5df6c928ed9449bb3. 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/ES5029800001.
Como Sueñan las Sirenas (Pumpin Doll's Radio Edit) - Remasterizado 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab7838fff5e2af06752eea29b7642bfe82971361bcbbfa65476d68fef3db08d8. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/ES5022400295.
Ya No Te Quiero (Pumpin Doll's Radio Edit) - Remasterizado 2024
Ya No Te Quiero (Remixes) [Remasterizado 2024]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9f56b29b32f6f17811a5872a19fe35217fff360ff36fbddb403fb64936daad. 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/ES5022400293.
Ya Se Va (Radio Edit Remix) - Remasterizado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57ade1e8c4800b83054f75a7752bfd7171e4d45a7987cc6ff60a0c831372de0. 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/ES5022401363.