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 0x77638759148c55bbd686a42057f4d12aef1dc86b8a81ac24a4989b62056ac656. 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/f865547f-5e66-41e9-8445-535620471f1e.json and https://artists.proofprofile.net/proofs/artist/f865547f-5e66-41e9-8445-535620471f1e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Trill Entertainment Presents: Trill Fam - Respect Is A Must
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 0x71fb36e7e994d3fc35f159a7627325b77b337acbc115a5b647e8a7e029112249. 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/USAT21601511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f98efa4f63a73097c2089bc3369cb380764cdb7b3fd582ca7a9148f1f073ba2. 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/USAT21601519.
Y'all Ain't Us (feat. Foxx, Shell, Lil Trill, Wankaego & Webbie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf095136868e5b93fc15baae4d851178932926f04a8c5d8f7e333e00d0b1a5b8a. 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/USAT21601520.
Cartoon (feat. Shell & Mouse On Tha Track)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa3fb9b3dc726947b6fae0f6cceeb79cb1ec640b1c0e63e534fe59bfc8be645. 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/USEA21000140.
What I Learned from the Streets (feat. Shell)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6d10175c394c5c1d90a60e408dbf37afbbd09f5ad4bdfd59f2a51fd9b1e442. 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/USEA21000143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa3fb9b3dc726947b6fae0f6cceeb79cb1ec640b1c0e63e534fe59bfc8be645. 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/USEA21000140.
What I Learned From The Streets (feat. Shell)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6d10175c394c5c1d90a60e408dbf37afbbd09f5ad4bdfd59f2a51fd9b1e442. 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/USEA21000143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2500c6c8f870877b71518fe620b4f098df5381e398efe88154690628be9ea81. 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/USUYG1057245.
Thuggin' (feat. Lil Phat, Shell & Boosie Badazz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf0268db4aff5453551991f7aebb2e27786c0c9599856582d61905b18c3c8b9. 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/USAT20800780.
Materialistic B***h (feat. Soulja Boy, Lil Phat & Shell)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26f89e0bdb9c23b9193a8b9233f729e0147f3acf07ebb5d5854487d4df06108. 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/USEA20700299.
Thuggin' (feat. Lil Phat, Shell & Boosie Badazz) - Chopped & Screwed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd9a3ebc27f603e1d66ab81ac73b007f0c2bdb3540176890dfd62fd7caab480. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/USLD91757163.
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 0xdac9aed5bce5357a4a82d604cf40acd4851d7f9892e20de53fe88f0d591eb169. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/US83Z1791671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4570af3d184828c65be4619482e6bbcc3c5b12d85faf292ddfcabb9c8916ba9b. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/QZES52181662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf377a7d0c6623eb8ddeb1c7aa1057d14604ee37ae98be8e448fa13d7c9c839. 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/USAT21600589.
Materialistic B***h (feat. Soulja Boy, Lil Phat & Shell) - Chopped & Screwed
Survival Of The Fittest (Chopped & Screwed)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c303468cb9d78b10e5858696708583a12b45c3ea4d1cddc5778afb222104e84. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/USLD91757138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1edda0ff498dd00eb3d837b2a505c4d6cac4ddc83ab8ee6bf6179ba9aff95ff9. 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/USUYG1066297.