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 0x8e90ea0b4a734e8fb6bde210745080237064f3b4ce05564d2b27cdf45291860a. 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/c05bb3e9-1e57-4664-8fb1-b4367581fdb4.json and https://artists.proofprofile.net/proofs/artist/c05bb3e9-1e57-4664-8fb1-b4367581fdb4.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 0x5ada76b149e18853df17dddb495e413413b0ac69c3e67ed81b27949d68f10182. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:43:05Z), 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/THOCM1450280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x319a961e3adedaee05ded5d180afbeb561e4a1ebca610f75b2676e70b766a882. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/THOCM1450284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45abefa49658fa57b0d6e3eb30bcd654c6238a6d4e06884301805c11f3c897b6. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/THOCM1450286.
แกรนด์เอ็กซ์โกลด์, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6c4110e4983c421a33a3f5e2b9db3d56dd014224c728fac53be1a85c175432. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:07:53Z), 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/TH1111402115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa156b3368b36aa1e7e1ee3585e08c91a8fa6c9374f87a8f989db38a7640d060a. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/TH1111402116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90f143ab864adb10e3bbf7ba017363d88a0381865696ee0003d456a937fd907. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/TH1111402117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbc6a6976095768dba6fc4fa6aac040bff31d9aca262236174f060beadc7cf7. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/TH1111402120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c28b08db88f58a3313079cbf2bf18d99a620cd1e1ae56a04e4eb80f5c7cc935. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TH1111402121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3421985ed23c79ef98584f91b7a14af82d5b268b59a90491f878db0b85afd67. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T00:07:52Z), 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/TH1111402125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa67ce5e4a762b8cef9819ccd6ad4236d40d349865cad64b0c4d7b719fc525180. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/TH1111402129.
แกรนด์เอ็กซ์โกลด์, Vol. 3
แกรนด์เอ็กซ์โกลด์, Vol. 2
โลกที่ไม่เท่ากัน
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50dd2367d7bd135fc32723542cc1420432501dfa841677e3c77167ea20d05700. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TH1111402149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7469bab2245f4ba07aa5a764d61102b0ce53298ca65dc8b02e57f9f660ecebb3. Chain 2 (Bitcoin): anchored in block 958670 (2026-07-19T05:26:23Z), 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/TH1111402150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1e713703c1673f4e5e321e9f14eb288de6e7860d7f99d55c9c6f5af4b1adb0b. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/TH1111402155.
คิดถึงเธอทุกลมหายใจ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f190dd8e94c52fb217896c0cdf57dea3a3c083e7fa777da609156c4f6b14c01. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/TH1111402156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e00fde45d982785060d2f75c2bb2f674a0aec9b3f5c473b0e78ccb3aea8291c. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/TH1111402157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592e58a33ea0f10610cdbe7653b7b928917cd8c7100d4c7ebe8e8fcb926260f8. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/TH1111402159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ecf3053f1dca9c18c20b6b5bd13ba498ed4931274b2cc0ed53a70b544b0ed8. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TH1111402131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7449997166c36aa0b1c089cf73b772bed22150f6710eaf5d788fc945dbd47a72. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/TH1111402133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c08c42eb50265c1a371d49b363193fc577633851f1cae37652f8ec6a23b583a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TH1111402134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38eda855d093ebd44bf1ae838b351695b10a82d136c889596f5c1839064a1cba. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TH1111402135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3bf4ac3644734b017490a83804ebceccfe03eafa4f7fc6ae52ceae3f615a3d. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/TH1111402136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c180ebd1aa8ca84a97905046f30bacceb27fee6e77ed9370ef13c125e69f716. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T06:52:29Z), 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/TH1111402138.
ชั่วนิจนิรันดร์
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed7e57d03c4335d559ffe52733079368b207de27693ecc16f88f9a804b529f90. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/TH1111402142.