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 0x567db637654974961d19958d69f19fb562a9073f048176d0ba476bb7e69a6c17. 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/08be5eb9-b9cf-48e1-bfb5-5deed63dde8e.json and https://artists.proofprofile.net/proofs/artist/08be5eb9-b9cf-48e1-bfb5-5deed63dde8e.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3eeab6251e56fd66d06d90bc0f434217d25e6831c18a4da5cf5070a445463b6. 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/DK4YA2072001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34fdf479ee39f1a285dcfcfa82dff141562a7b7dca9f21f9110885f447ee6776. 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/DK4YA1902701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf03364c3e1c6071096c3004b7f492c7d53c2364124130f282ab2d78fe6d017b. 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/DKADG1900208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c5258141be70f642f328ff488e7b1eac2c72899180f98979e4d5f35d32fae0. 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/DKUM72200226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83bbdea8a9bcc11b5ae6c11aebad32050f4c886166b9c663bd8eddafa41ff59. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DKADG2000052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfddc6f630db76f1b9cab34ab7aa7788b5e3341a1654443f4ce937f8b507334dd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DKADG2200118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef07fdf055d1b502e7455f3a80b1ef33011601cdb75601fef2eabf9163fea04. 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/DKADG2100752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f79ac7e8834be567b9a5d029744764579c8aa6c793b469dac1a7411aebca86. 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/DKUM72400276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18124d3aa98317c6d2427f4e60bfd564e173af589b46f48199b315c977493ab9. 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/DK4YA2308601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b6253b344521f1682ef6af0347f1cba4eeff4a945e1dda802600265ceaac7d. 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/DK4YA2308602.
Jeg Vil Have Dig Helt (feat. Ella Augusta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa0e3a827be26281bb3f9ef1e0707d7093e79605eff95e22d0dc028abd7c9c4. 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/DK4YA2308603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c32278032a0fef2d1e727af17a478c6a852fed93b97461e853ea57949a8cf25. 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/DK4YA2308604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c32d9e05e56577de27276c89ea129337c517296b82511e894e8953029864745. 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/DK4YA2308605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x744089a9c3bcc3584e19a2ff070086c3b381b207f579d92eec25bb141c42a951. 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/DK4YA2308606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4aa81eb2448992122e3d4b36409955dc65e33cb2aba1903ff22b85e3afb1a07. 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/DK4YA2308607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe67fbcc2eef4100c2165cf4c1060f724fba3af581b354f986479d112a064238c. 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/DK4YA2308608.