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 0x7ed66440f22772bbf15e5a5bfbc3c52b4091341e62047af7de7c488d66b5d1bb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa6c51e5-5ea8-4b7f-ae7d-d250b4289b60.json and https://artists.proofprofile.net/proofs/artist/fa6c51e5-5ea8-4b7f-ae7d-d250b4289b60.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf69b349e85b119946899ad589d3e812c377990385549b2e846ce80e599dd334. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/US38L1400490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eed8b4c85d216c77c533a33f26a3a1d82939ab4106485c2eaad191ee7613a25. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/US38L1400501.
Everything Happens for a Reason (The MixTape) Slaughter & Sliced
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef92ffe63af634d0d81143476ecf8ff514606e6afbbadb23b72b320c0b4bf62. 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/TCAHO2384794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd59fe547c25f53812b8364153f20075b66c68e0f1dd3f0d832b42d52d5dbe961. 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/TCAHO2388253.
Birthday Freestyle (Slaughtered & Sliced)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fae953f24dabfd405e3443fcf20b6d90d6da9dc35fac46c9c9df3135af1a06. 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/TCAHO2388257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800f0842bdf3fd0899fafc3493f3c3a90625e6a3def47e465b0ee7dc7b75892c. 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/TCAHO2388295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc845256687eec159ff43e495064ad300e359a996ffc7997c38c82ce9d9e83729. 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/TCAHO2388319.
Don't Sleep on Me (Slaughtered & Sliced)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0f1966a4cd54dcf40656af174d0c4976a8dce672a5b109b4884b708810fa11. 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/TCAHO2388338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdc97fd941fddf7e8023524f6ffa6311e379f87e5688a73e80bbf0dfd790ee1e. 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/TCAHO2388372.
Everything Happens for a Reason the Mixtape (Slaughtered and Sliced)
Everything Happens for a Reason (Chopped Not Slopped Remix)
Texas Technician Megamixx - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55afebc50f730a1b5e309980c65a9f4d5b89b309e38520ae969ae483287fd76f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG12402706.
Point Em Out (with DaBaby) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe087aeaa9677419edfa9837ee2007c1c4aec4294ba8767bf0412818c3155f717. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG12402692.
Chicken Strips & Ass (feat. Paul Wall) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef113fb560aa96a2132704b7693c07a5fd7a1f04303e1f799d5a26e6e1ced959. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG12402693.
Wockhardt (feat. Le$) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4c09e7fc635a4fd986d6f8381e5aa8dac8887610bf09222fe179d0b67cea850. 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/USUG12402695.
Twisting Fingers (with Moneybagg Yo) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x728fc7594c046c32b5430ae73dc8f763932ee5e44688b44162a088727d631185. 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/USUG12402701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e64317ed5dbf28a511281532c973171a2e09abe8f407d472a687fc46716e3cb. 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/USUG12402704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579db7914f7c97b6d0c05c8ecac89b0d15851be59cf7ae22bdaa18c7638dd511. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG12402700.
Bull Riding (feat. DRODi & Slim Thug) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xade4c0729e3655c9f7fda1725d7b8ce77bc9a17c2c8777bea9b17f6aa1f6041a. 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/USUG12402694.
Cowboy In A Escalade (feat. Trapboy Freddy) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcff33b76e8c9c7e7de9455be048c5557757b4151776dcc2fdffb586ffa6b38b. 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/USUG12402698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe293eed4ef4aa33b5405a0ac113210a526be2d04f97515e107247801d2ee5a0e. 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/USUG12402691.
Comin Down (feat. OTB Fastlane & Hannah Everhart) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb67cba57599078fd97498c00e5b48d253fa5f2234eba1afc32c896f6e3f58ba. 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/USUG12402699.
In The Air (feat. Hogg Booma) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dc75e55ca5d2fff91c346db5e15a03204d7da26966083e393c3ab565f0f3425. 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/USUG12402703.
Kick Doe Freestyle (feat. Homer & Mone) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb17aff60e4b80147b82bcbe57948cb243f24f5e3e8ea355b870d4e3309f662. 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/USUG12402705.
Hola (feat. Fredo Bang) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fdb7f970a429a909068a2bc1b47123384dce013f7bb774eb733593bb7e0434b. 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/USUG12402702.
Crooked Officer (feat. Z-Ro) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd542dd6b627d8c3a4648872a1684812535f4137d6ac5b38393c6398e1cc881a3. 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/USUG12402697.
Function (feat. Propain) - ChopNotSlop Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e12fc8c4119d3d9464080ec85d0b1e1a57e7b75010c9cb6581a464b1c0385d. 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/USUG12402696.
Drag 'Em N Tha River (Chopped Not Slopped)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0e097f38519527cd7a621629184c85c6e8bdedc1dedaa85c3858dbe979e5ab. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/QZQAY2273146.
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