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 0xc537c63aa76e2e511d454f4dc33b0e25a862e8e95d60b53555ebbc1d0544d341. 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/b1611613-99ca-4e9d-996f-b8767ee012f5.json and https://artists.proofprofile.net/proofs/artist/b1611613-99ca-4e9d-996f-b8767ee012f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ALL IN (Lieblingslieder) [Wordz Deejay Remix]
ALL IN (Lieblingslieder Wordz Deejay x Mike Brubek Remix)
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 0x175e7ae14958c8e754068e8c30305c19a252c7cbb7e01eb4d9984ca37f52a403. 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/ATTD32301302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8dad349dbe680afc795b4119b429e950662cf7a181f6488e0568fe90b6303c1. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/ATTD32400201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99cd0b8140ed0a8a3180abb7d79f1ab5cb1006f1bff27a05cb80702b00fd60c1. 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/ATTD32400301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4223b3e276f7f00d380ceb1e64893e9b1e0ddc7c3bc40ed09b03219b9edf13f. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/ATTD32400401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0bf7c5c10414978ce5e2f675775546ea97b4f964f27c2c59c8db228af3880f. 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/ATTD32400403.
La Isla del Amor (Wordz Deejay x Mike Brubek Club Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd42ddcfa80698995cb384593a4bc0638c484a7031c19de8d28f5d211c16f15. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/ATTD32400801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b82e9fba97a27b9fac969a0f20e5ffc0571e294456d99d5a2b7b3fbe16382b2. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/ATTD32500102.
Time After Time - Wordz Deejay Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a63cdcc4df7be70b10248be29a49b3fdcadcd6261feaf09e6c679fab9867421. 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/DEHE81700051.