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 0x2105c3d8b08944dd176a7b735ea58cf539c6187cc54f1ae6ff5f1b5fe48f5c63. 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/40be5661-a1e5-4150-80a6-399e426a2910.json and https://artists.proofprofile.net/proofs/artist/40be5661-a1e5-4150-80a6-399e426a2910.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 0x615daca543cc501f39691f49b64d4009f1a43184a5a4d209bbffb5be6eb88d0a. 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/TCABR1331880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62178ff48bf85628657ac9339025f2afa207fb5bb46baf985511fe2fca4b45e8. 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/TCABR1331885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65d557fed252c1dad2629b39b4c94f3b69e6f3eccb8fbe86c35473faca7be4b. 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/TCABR1331887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f54cfdfb984cc6bf0d8b77a3d8dcecfd9afd844b8b9a0d0b9e0f7ea0ea50aa. 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/TCABR1331888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x054c7dcad46d47580ad458e1429943bba04ab057ff2304534990993c3980bd26. 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/TCABR1331895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4939dcd5d88d40bee6aef2a32e79f045b62a4aec4038936fb32b8066016a7b8c. 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/TCABR1331897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62a96bf35fb7a680f4bf5bfd8f64d32b22eb97fc031b991bbb608249fee10ae. 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/TCABR1331900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d9f3966ac2e261969550361ae3bc52e104b995603cfedaf992086bbe3888a58. 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/TCABR1331902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d62b71fa42f5c1aade3c5d6255b652c24cb060360f900487cdefa4e1cc5fb32. 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/TCABR1331908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d4d1f3b4eb6043ca83e428de5633511819823a79bf09f7271340c5235f8a87. 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/TCABR1331913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb052fe2d0727cc7ded1662461d1366298ae7d19ac9c4923b0e77bc8c8c9be7f. 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/TCABR1331914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6ab4b1af82df8d25fff00fcf35f25e7427e070d8a8c767998230c194f1fe3f. 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/TCABR1331918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620b27735c34c32985346c7a7bbfb077a44ba2022df5b87c198a736f83d7f021. 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/TCABR1331920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcafa6b4780c79fe45ad390085d3a47eee62a039e9001bc1fd1f283bc435542a9. 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/TCABR1331922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c7536843a7d4b978dc804c98007f46b092f5a6391dbaf94773dd967e5e4d7e. 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/TCABR1331925.
I Am Legend 2 Mixtape (Hosted By DJ Scream)
Lit (feat. 21 Savage, Juicy J & Young Dolph) - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e1b96212f29640d4bf8e1283c7554baf6a6d3a67db0e86c95cb399ba700bf19. 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/USUYG1102234.
Grippin' Grain (feat. 8 Ball, Scotty ATL & Big K.R.I.T.) - Single
Hood Rich Anthem (feat. 2 Chainz, Future, Waka Flocka Flame, Yo Gotti & Gucci Mane)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508a7a97444a3ba7ed007ed5c53c2a715fcc8982be63568b0a8c620c8b1a1eb8. 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/USWB11203168.