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 0xb0f4a8f41c0703e03a8569fc0d0bd9ba2ccfc3f996ce8a4d66476adf90d175cd. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8ee86c32-1414-4407-9132-596dfbce8685.json and https://artists.proofprofile.net/proofs/artist/8ee86c32-1414-4407-9132-596dfbce8685.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 0xb669a93bd7e54feb4743aea25307d8ff1ed5294e9d07e0689a0302426700b011. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/USBAE3365591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd534fb2a2b4aac88a5646aa0c209d38fec5558da15291481a38714353e7e8cd0. 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/USBAE3365388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x297090991ba366a4a7f0d4aab30cf905d0ac70c3e46d3bb55698bf4a77fd1f0b. 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/USBAE3365389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849a45213c6c4c63c77b98833b0a4b60f736c5af9e384a79f2be4805d46881f4. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USBAE3365390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbac8adbeab6260bf2f3bb487086b06b2e261f93be5cb1d25be7020ad2c3cf6c. 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/USBAE3365391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x101f1f7c38076ab15eda67e7265f80ae2d387635e1aea817e0c32ac1bfe19878. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/USBAE3365392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718a409ab7a588f3c0f55dea67a866b5cef4b238cce702ba87069da80dc5f2a7. 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/USBAE3365393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb15aef3c881e46fa4f233b10cea201cb86391a6d98e8af7bb31850baccaa72. 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/USBAE3365394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a082cf7130e3c5674b6d53679d5be6848df7677b3bed56b3bc5964cf91a5678. 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/USBAE3365396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc317f8e687631079e9def689e3b2efcd2265f068cb75a44b26cfeff5077eaf6a. 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/USBAE3365397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4870fe960b02503dd6ef7efd3be2922a43d1776259a00eb8210b24b02b344489. 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/USBAE3365399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x630860df95f3b9b1846f4e81cdf280af93e998435c80d7a0f2d47a493a9da44a. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/USBAE3365400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d835cf8995047de063b4ad3784685f84c3b161a3b53bc917dfb8c40ba6d1f76. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/USBAE3365402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa82e9518ae772da73bf824978e2527ad6dfa147e936e230c9bcfd78faabd66e0. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/USBAE3365404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e5d70ee36ac7680ebe116fbbd087cd219ac1fec8bb95626265d3630d3898f3. 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/USBAE3365405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c321fbda1598602cbcdb77052f32e9e9bb125888a21fbefcf533ccc23fea28. 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/USQY51745777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d2e09857756836675e05c763d1f044eff85aada4f59222a335233be29b9fa6. 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/USV351375192.
Vacate the Room (feat. Taydatay, Charlie Manhattan & Young Droop)
Apt. 3/DNA Ent & Apt. 4 Present The Double Feature: Known Associates 2 - Them Music to Drug Dealins & Killins
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d1b6f1b010829277b77b38d4323facae7979f35362431fcfd70f6b3a6a4bc2. 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/USBAE0800353.