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 0x571b0b2641c7dc6c82c6fa282551d28f061e0875f393e516df23176c6e9197b6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd7c029f-3bbd-4ffb-99cc-8387017cf291.json and https://artists.proofprofile.net/proofs/artist/dd7c029f-3bbd-4ffb-99cc-8387017cf291.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
House Of The Rising Sun (Sped Up Version)
House Of The Rising Sun - Sped Up Version
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 0x8fefedef5829c8d4c74e43ee6fa72e877e1d7a9860592827b337654e85dc8de6. 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/ATGU62000210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7baf2585a13aca8527a827e39f05b8ae6ecacdc98ad5843780b72e56ff3387fc. 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/ATGU62000330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf768f597115d0b8cdc6a13476a172b02b86cfdbf1abf73dfc27e50be8ffbe8d7. 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/ATGU62000329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc813e7cd9e1376fa6a435464491c4ff82852c3f523285a7233c1833e7e873376. 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/ATGU62000326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4179041597ec845295ef5d70069c632c12e73e72a4ac32b98fde9ce3fdea85b. 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/ATGU62000194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b045b1b4fbe1f45c842f46713ed90fa8efb3d2794abc63a3cf63b0914e9427. 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/ATGU62000188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d1be1e013ba422700f7daeb61f67cbbafa8c0756fb156b969c9402ec259d56. 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/ATGU62000183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f487cfd2285cc74cd70836490781adbfd486c493ec1ce421daa4411fcb41acc. 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/DEYT72000149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9357f63d9d9772e0a0d53fc581099137b0675af5dd4b07dd27a01f1e9b159cc9. 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/DEYT72100508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed593298c58461b85b715a68ed6fdbaec4d123be27cbc8f9caeb6b545039201. 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/DEYT72200507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573630f6d4718809c44f90bf6be7fef015aac3c04c905ed834b9c15fe17c625c. 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/NLE802100122.