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 0x14fe47b14f1810f528d5f191686d8061cba45b4c4a1d64d37dd7936923cb81c3. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5fa074b6-4743-4b07-b7cc-d5152aa2efad.json and https://artists.proofprofile.net/proofs/artist/5fa074b6-4743-4b07-b7cc-d5152aa2efad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dont Lie (Chopped) [Lil Randy S.U.C. Remix Chopped and Screwed]
Hate I (Lil Randy SUC Remix Screwed and Chopped)
Without You (Screwed N Chopped by Lil Randy of SUC)
Still Cool (DJ Tramaine 713 Remix Chopped and Slowed)
Grind Until (DJ Tramaine 713 Remix Chopped and Slowed)
Different (Lil Randy of SUC Remix Screwed and Chopped)
Im Rocking With You (Chopped and Slowed remix)
Off To Get To (Chopped and Slowed remix)
Slipped into a Coma, Pt. 2 (feat. 007, C Nile, Dbx, Lil Flea, Ice Lord, J Flex, K Rino, Kb, Street Military, Psk 13, Q Boy, S.P.M. & Ghetto Thugs)
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 0x7c3b81f39296b860a40a31ee731f95d214a83d7563b0352e1bd6e8580d71db67. 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/TCACN1651509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa025bef5233a92ea2850a105de2cc6791e0fdea9a309a54f99c1dbffdf072e37. 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/USUYG1407533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70004cc236fe7736b5bb6a5c08206c19eca1c8a807e57900ecf526b16fb7a339. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USHM20878019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bc83bd336a57b2ab705062d0e8cea1bf85267963d33b6786f7d79c45aa32624. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/USUYG1438942.
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 0x8d661916768a4850b4169d2f4d5641902f98e63f6124722621f3b368cc303f7d. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/USHM20877932.