Thomas Sampson, better known as TS7, is a British DJ, record producer, remixer and songwriter. Early life Thomas Sampson was born and raised in Bradford, England. He was introduced to DJing and garag
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8dfb27ac86d8ba865d7111029239cbdc009e86fd432820aefc843912dce22cb. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d57ce921-2d4c-4c46-a777-9286e80d475d.json and https://artists.proofprofile.net/proofs/artist/d57ce921-2d4c-4c46-a777-9286e80d475d.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddbc29b3a7cd9f5f41ec591f5c084b701623e2aefeab7ce9e4f8eeb5a255af25. 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/ATR981125007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b845fc21e6edf89c07fffa7f42cf09493a90d8821f2419beaa366528359a6d2. 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/ATR981125009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f0dc998bf46b45c45bbdc82477f3584d7efe40a4ef7fecc8bbb75d4d6c56fc. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/ATR981121173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc4f7399d5618e7432163d30f795a4124148751c97065cee6eca76789776242d. 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/ATR981125017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d72de39269386986223f2c34f690084ccf8ab0eb00ce8c8330d8fe9bde2d94. 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/ATR980016878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ce5f4ec16de0653910dfcfb7b779e7be5c3e5e51e29b9ccbc0b901a34fd56c3. 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/ATR980016879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d437bec193e12d55903f8ffeabe4e24b642c694e7eb6231c1f130dd9afe57e6. 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/ATR980016880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c449dc68c22a229973e7c66342ae017e945e636552bcb028e2a8713b13bf4a. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/ATR980016886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f9ceb9a9ce529416322e9bf401a898eb05f7d415171376ec987c48b64d11918. 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/ATR980016887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0305ce053a40b5900503750dc3d45eae57c35865a80f64c608a7ea8880be0555. 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/ATR980016889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61eb0abc620d7ac36a9e9a9e9dafdfedb4558bb1043f49ac5ec51fd04b491aa. 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/USA2P2437496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88596bd4e5fd3f8675fc8ec0021129412729ec98b348c9d8ec1fe2c034ae7f3c. 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/FR96X2485677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0bf7a8322eebffadcbe930db38b44d9291fd7940d8ac09977d5af2300c6fd92. 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/DGA0L2321368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x723c61e29bb347352d9c7b74005b0c772e597330e8eb562a236daf84cd3cadcc. 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/NLZ542301285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74679e3b174a26bc5dde1c552e52f1bb5ad2a3e0c1b05774e0224f2bba781228. 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/FRX452358883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee31823f59abec3c5b77e315168297c027bc6042d9c661880d0e874a8a4f4f2e. 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/GBUM72205089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9a92944f23ec2836695b7d6110bdd46d3ce2ce7f9ad47ccb9a3160e8f0c1a5. 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/GBUM72204231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdbf4a67f27b484a98d9e100347ca064e584adeab96508221c65677ca9dfd64e. 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/FRX282214834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c66bb3c27b82085450ba7e2c63514747a382064d6fb9c533aef5f6ad06f3a6. 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/FR59R2242592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba342bb8127c617bd028918d559e50f6332be68a2ab39d39e2e16fba0372455. 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/FRS182109948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35920e06924a9973d6d68086615bf00ce574c9532b41de5398fd80b1799a43dd. 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/FR96X2149172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28702f008f2bf86f259aee720bc1d995c25fb3b18e41e9f9c38859e81196c5d7. 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/FR96X2149171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8f9107e2a34b92649ff7ae01bf5d0c4e5d3ce64e473cf9e3b5a8ae92be831e. 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/UKRPL1900127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cb71f2614b3e36c4c2a94d528ce7e4bff0bd40b491a4c1f698a68b63e9a9e71. 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/FR2X42068793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa54f51a319c0d87597718080a03d60b664874280f0a0474f4c6bc3ffd4e65c97. 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/UKRPL1900068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33c5464e86852fda7aa1fb17468eee517872071ad791bd63aad90a2d7dd01a6d. 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/ATR981204295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba806aafad10a9efc38a14df1069b0a72c45953978bfb6bd3d8e816a19c5029d. 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/ATR981204296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8506834ecd48ade39075abc65386357e2e17973685b361313db86b71d677fc71. 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/ATR981195824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3114f054e7682e4135f3e268ea3f40b2fcbc2b6b30a3309f77d13efdcc815a1b. 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/ATR981182911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b55c601190c29e08a4490f94445bc15b8af070293341e09827e07f10964bbd8. 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/FR2X41860764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7cd5c812f23c608690e9e7cc0198a0fc3da152c3fedf4b7f82f089f2d7a433f. 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/FR2X41860767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1985f11de0da30b65f18ac39a860f41a26bccb19e2baa7aab6a2e69f1f1567f3. 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/ATR981173741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639de0b18c6e5985fc91da9ac075fe52b78b642844ef7892b012e744da7bcf5a. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/TCACR1630086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbdf3eb31a07acfa3496c2627cb0ea5b8383dc8575c0756af37b093ec9832926. 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/GBSXS1500146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97005156fb2eb71ac54399ea918e364e17603b968a8a1942208041210d8cc566. 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/GBSXS1500149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84283e6400961aca85e779b64e4d566adeea84d54441cc21bb3ae28d536809e. 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/USJ3V1038200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe6a9dd117a13100deff79aec119ac9320c0a56d4c07ec39d8a4bdc0c8d8ff9. 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/USJ3V1038202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1181c28015b8e2eee18f0f63a1e1106b282083fb91e1f449800c1573b881c93c. 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/GBSXS1300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0c1391182f3044dff7af0f83a0f061b5f15c5ecca3c432d49b29ae50f36fe7. 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/GBSXS1300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c94c61d25d60eeca668417b009d94b2e78a6531f19a8b53d5d3f787477f210. 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/GBAYE1901227.