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 0xb78029d8a858bd3db57ffd47881ad57327549540604624e6c7a5dd5cb194e6c1. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6a708b5-4747-4c8d-a4aa-0b4a7776c7e0.json and https://artists.proofprofile.net/proofs/artist/b6a708b5-4747-4c8d-a4aa-0b4a7776c7e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Frösöblomster III: No. 2, Intåg i sommarhagen
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 0xf2d81c5f49eea2f7c83204df28c48436c920c631c3503c61952f530ce866ac63. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/SEAMA5720050.
Vill ni se en stjärna (Wenn Der Weisse Flieder Wieder Blüht)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ea33690fb5fd73f838a8a57b86c3b80cf7420ceb090ec29ef75dedf427157c. 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/SEAMA5417010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x897aff50a51570f5238bf4c7d47e131cc25cbc893fb607f1ba5fd459ad9ff569. 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/SEAMD5500022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75ecd8f39f355814a0ca92be733ab5c218d67ef0598d236413ab609b0ba6af02. 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/SEAMA0500554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e450858c940dace82df214af889790f493bae05fb1c70096ebb79238638a15. 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/SEAMA0500556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4039b8490c5f344799bc26c822aeb9aaa31dcfb9e13e560e7b33b834938964a. 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/SEAMA5417020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b0850bd3a6e44a26450eddd92f09a6e2bd840015e852fdbc9ffaaac4d1bf56. 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/SEAMD5400217.
Stackars Jean (La Goualante Du Pauvre Jean) - 2001 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x501dd190bf9efc2b673a1353d0696cc0e15ec311fc309b7e61bb37138f59e017. 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/SEAMD5500214.
Bon Soir, Bon Soir - 2001 Remastered Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3c002a99438d9116670cb80ef9dd9838d46b88519e0e97ade75b39e5e8e419. 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/SEAMD5400216.
Blå vision (Blue Mirage) - 2001 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa869bc2b8b0a6efa544e6b640b922b13984b728ffcbdba89aa6eb468f5a46491. 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/SEAMD5500221.
The Best Loved Swedish Music And Folk Songs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d81c5f49eea2f7c83204df28c48436c920c631c3503c61952f530ce866ac63. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/SEAMA5720050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06eb5a863026d9ea45a26f58fa04b1d93027eece6ef330dd63566170378c9b65. 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/SEAMA6116030.