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 0x9b4e7b7a7d186276ba2174e77e70094b03e37ce5501349a63475ed5e4e98b63e. 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/e50aed17-8247-434e-b9f4-e280025cfbb3.json and https://artists.proofprofile.net/proofs/artist/e50aed17-8247-434e-b9f4-e280025cfbb3.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 0xa8d38484637618d1c66519eaa31b9bd2f0934e7c1f343d635c2d1cb5fbd47260. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR6V81209602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e4304d923a9b231a723982dd598edce103778dfd03257e1c62cf9a02df1092f. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/FR6V81209606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7a8822d9d8214bb85403c4ee877910cca92df7c842d2563cb595fdeca229a1f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR6V81209608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06d9b12bed52746a8a43befd7e85b65d372dcdffde47376f996988841c3c1301. 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/FR6V81209609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd939f6d5758cf764d38e31bb36ba67855983a576013abf4295f50de5e063e589. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/PLH441300025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2be6ba00a09f982f4c50505f032370e49907d957723902f92226f04b28a6d5. Chain 2 (Bitcoin): anchored in block 958911 (2026-07-20T19:23:33Z), 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/PLH441300026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983e8a2cf17a291351bf0f5489f3efe334e66da9ce2008e705d4552394001e34. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/PLH441300029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c58cdcf12c3f064b62bd0c9bd82834a638b84e8b78adf708e44dd3b189ea497. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/PLH441300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b2232d79a324f3ae208ae52c9cd64f25896066e2431a0ab2d63dfe1d11b4f0. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/PLH441300032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4fbee9fc2ff53c6b735e8306454c49a6bbdf3645077ba674e810b106559a7a6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/PLH441300033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2962054133d10cd34daad4d52125c3e19716892cad95df5359fcfcf147d085f. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/PLH441300034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b884e25de7118cb3fdd9d7707f46dfcf3cd54120d2eb256c271cffa44fdd259. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T14:41:52Z), 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/PLH441300035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa678640f199be09ad32cb63dc4ab611ee4c0589086f852b8bb98724746796e1. 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/PLH441700065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b3833c41de8b4d89a5004630aa44c2e33c9687c3535c1b4a7fd248d156039a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLH441900028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7903b9c125fed5994eb5735a1444f206108382b8d83c31dec87626243ee3994b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLH441900037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32ea46d62082f5c3e26404e2f8a22eac2b438be07a13896e731a956a6a6783b. 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/PLH441900047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4012b4c23703ea9c4a683d5b040a4256ffffa7220a87e32e50e2c3c14be6d8af. 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/PLH442000022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe6d32bc7b43295b898ca14f60f4f7043c37f34f4cb839602f4d2cd461a71f5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLH442000023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f3431dec100ce10d5550a724dab0ba79118397fb82d5717dd068c74099c96d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLH442000025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2993d90fc8fb273ee7723519f77898f7018628e8c17a8e8ba3d204550e544a2. 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/PLH442000020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b3833c41de8b4d89a5004630aa44c2e33c9687c3535c1b4a7fd248d156039a. 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/PLH441900028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32ea46d62082f5c3e26404e2f8a22eac2b438be07a13896e731a956a6a6783b. 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/PLH441900047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc246edffdc35bfc57410bce296175f88f76d153d7edf08901ce0b4fd77856282. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/PLH442000021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4012b4c23703ea9c4a683d5b040a4256ffffa7220a87e32e50e2c3c14be6d8af. 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/PLH442000022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe6d32bc7b43295b898ca14f60f4f7043c37f34f4cb839602f4d2cd461a71f5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/PLH442000023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ffda7c8e1f72855c9a647d28547c546e8f6bcfa1c064c3426cbc658acf161e. 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/PLH442000024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7903b9c125fed5994eb5735a1444f206108382b8d83c31dec87626243ee3994b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/PLH441900037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f3431dec100ce10d5550a724dab0ba79118397fb82d5717dd068c74099c96d. 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/PLH442000025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd10990ce246c1c1be2d8355bdab07839831737de69c2a4c7fec6069500589368. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/PLH442000026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94298d702c5a5ad27d1ee01a4e4fb6861de71fbc857f3a644cbe524c782f0ca4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/PLH442000027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a45b968c03ba47714df53ea30fc4d8b87fa86c909fbb24781df6b37edfd2ba4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/PLH442000028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eceefacbdfc14504e87adb0148770e38ad92f0b94a3ccb50ff14434a207febd. 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/PLH442000029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ffda7c8e1f72855c9a647d28547c546e8f6bcfa1c064c3426cbc658acf161e. 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/PLH442000024.
Nie zatrzymasz mnie (feat. Bob One, Miuosh, Solo Banton)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc905d35d0aaf6826276e02a86c1f41ebc1817ccf5c66cb1e9004249ceea40253. 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/PLI368422330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6ee40a48ef5682112fcf7b38d41028aa0e611bf8613d5d8c281f2e1adab5c0. 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/PLE951200938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc79f1e8ab83c2e7660dbf3e00a7420bc0ec94170e13d9ce331c015f4851f87f. 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/PLF241906143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690213f990eeb05ed87ffd1150a44228f341b9232e9534386392c015f000f052. 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/PLH441700084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6ee40a48ef5682112fcf7b38d41028aa0e611bf8613d5d8c281f2e1adab5c0. 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/PLE951200938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a18e700553ede9a1ebe97f2bd8b3e891ea31524688b0932c56ff56d9598b50e. 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/PLH441200031.