1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x726e92eebb39b1878602945e154f63d7445b2618b2ec38ee123d1c3debd267e7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3101244c-3583-430b-9e22-c98172ca2192.json and https://artists.proofprofile.net/proofs/artist/3101244c-3583-430b-9e22-c98172ca2192.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 → block OTSBitcoinBlock must exist at that height 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 0x13ff5f05764cbad4de21a523323eca8851e7987ef0ab0da46957e06de9e0ecab. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMPU51289215.
These Lines - Spartaque & Slava Flash Remix
These Lines - The Maneken & Dannyboy Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e7c62e265742f4f9cb014b8174b6ad0c67e1c15538f937511d8ff85d19a2aa. Chain 2 (Bitcoin): anchored in block 958378 (2026-07-17T06:45:39Z), 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/QMPU51282750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa0498de6f94aaffa876e4b3fb910269873b91e4e7131d6591c7b31f0fbbc18. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/UABI11600196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004ee0f83efa19919ecd60cbd85d5e9afbf3864807f096872943f2080f00bd0b. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:16:48Z), 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/UABI11600206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3effc7f9d0ea87f4e9e7414b7223b9879dfb68b27044ff8e2692f9cc162664f2. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), 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/FRX202535786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f4f7be3af5265622ae8b6c95dea227bb7bdbc6cab02fb8dbee0dcd9bb7dc145. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:44:03Z), 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/FRX202535788.