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 0xf7cba0f287ab010033d59a750ae1425d23cd09c3f626489e994f5e893beafe96. 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/128a5f6d-5a2b-4503-be1f-fbb3007e946f.json and https://artists.proofprofile.net/proofs/artist/128a5f6d-5a2b-4503-be1f-fbb3007e946f.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 0xa69fa52b462ddb919cc03aa890907b1d8fa4bbaf721079d027e1f42f5ce8c497. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/NLSB72200881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11dd50e2eded4fcdc5297567f392d9e8fee89346264080ef4576200e06152c40. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/NLSB72200882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4197dbe617dd74e4cf87ad8ce0f17985ed12fa298e1faf9548c67e58bea21b08. 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/NLSB72200883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02abb3b938db5aa2cd86d62c890335ff5a3f3fc2216b1fb6530624b85b83dbc9. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/NLSB72200884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3cc7922806cdd280f47eda2a24bd980497f4aa5b4be76a1eded4d029cc8f6c8. 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/NLSB72200885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55294876363591532456d4464c413b938a058b90616abd9a62938c967162ff5f. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/NLSB72200886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e1a97c16b49e1f6eb34e175ff10639211632fbc0e09cca225c2aa980b92e3a. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/NLSB72200887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19139c51909bd76c7254684f6ae36c26ef077e6eaf0a5dff255d49555cb3722. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/NLSB72200888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6756f96c131e0fa26393dae5c07786e24aca10546f8e275b6f904c753aaa2767. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/NLSB72200889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ad344de8eed838c57feba11be00c0c10a7ad24019f8e0100bf3e3e2acf2432. 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/NLSB72200890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x248cae6b2260fc796d2bb40ed9e5d0f13be0c2a00f49c7ebd9c7f26a31cfaad5. 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/NLSB72200891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087828d04d529bf44c5affdc760fa655f69ba9cc8e2a3b3334af31e52f994d31. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/NLSB72200892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e17558bb63c720f33c976a8f1b1eb6a4c1f8f447defa3496dd8785b01ecb4be. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/NLSB72200893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665f30fe68779b550f4ef5ccacbfdb1c4d637b70b2264c521f1f8029a71ef9d7. 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/NLB602000055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75cc2feace3a1ad37795daa303bd922b2155771d7a1d403c036b7846b7ff82a6. 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/NLB602000020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa582e20b40a92f2e396b79cb0f391abcada69dfc26ae50509fc81c58399e8474. 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/NLB602000037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb1666d61fbbc3fb6eeef9bff4d41ee71b66a8846d0e316019e80732e6bc6ed. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZES51855170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x137aab2fed1b0416c85cc525bc6013d93d37cc22dc5ef1045be6a8d3b2f2f9ab. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/NLB602000056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa582e20b40a92f2e396b79cb0f391abcada69dfc26ae50509fc81c58399e8474. 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/NLB602000037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e3d74cfb198483b29a84c154a84a0780733c61f88fb839ab259ff2f8789734. 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/NL1MC1900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd402324eea2a52bd1cd55815ae9bf51dab1e7c2d1fc7b70e4478736654569d. 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/NL1MC1900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa406f0ec0a90f5e3c39776210087bd129cc919b6f925e860732b96d236f2668c. 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/NL1MC1900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd288ac8a3efcd1db254254b938376e8ea1b9607da0dc2076e7333c16a8b12fa7. 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/NL1MC1900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2098e8b4e20f70f43c3e30155e94a8e11f216977af936863f96acb3b89b3c8c6. 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/QZES91868603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a8eb2fb0612f8f15335195806452febbf9d3abe62c60e916b4516c47d76e25. 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/NL1MC1900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2120520d16b8a08a73f06c50b97495bb811e5f853914a79fb5aaa4c96319fad8. 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/NLG661800442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a8033264648c06bc6d227377415f76e6086c997b36f1387613e1c8cee84ad5. 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/NL1MC1900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e057e7f893659fe358fc801393316db32dc8d8ad3b8281aea11161948406f12. 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/NLG661800340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c3cb04921706fc5cbc850fa19fa40138d621c883561959c1b6f291225965a47. 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/NL1MC1900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cf5e0b272e96ea27562a4c767504fc067cf6c52ca5c86b078136f00ba99f04. 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/NL1MC1900008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d9889cd160a3203a824cd8a092cc12ace621160d0f21f733003b0fc24ca4fc. 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/NL1MC1900009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7565bdd255c81a5511cb86a9a18a096c57acf9df1c774fda13d8202c2535c2b2. 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/NL1MC1900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e057e7f893659fe358fc801393316db32dc8d8ad3b8281aea11161948406f12. 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/NLG661800340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dcaf2cea34a120f71aab055db25ba0fcf8059847b5562e01412b2b6a332ed8c. 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/QZNWZ2160697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11e4f9b902b2c461eee2ae9b7445d3934a7118ca285e2ca732d1190f8f9560e. 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/QZNWZ2160698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55b71e393fd6aa9e1436eb32a31492f75b0b874a212d5ed36db0e2ababdd215f. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/NLB601900219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7cc7aa0aafcaf2f0eb45f6aaeef5cf02aa3d5cf055cce76c65745bb7cd15e53. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/NLB601900220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf3d7b7bcaf0e04690d4df15f4e116f8a0f1af9c7fcb71a5950b577c888cea6. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/NLB601900221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dcb82275ba004fbe91be5649b510a776b63690e6a64310de7fe07fb5726e157. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/NLB601900222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb83a8ba720825fca27510300d1df00edadaf1647d1c226dc46ac09f17732f1d4. 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/NLB601600264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f655c14233811707f6b255ee310f7c0649e56580bf6ece6cfd6f4520eb04c40. 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/NLB601900224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe698a361e591c1ff76fb57e63d0d30b733326f4dd0c829e102162d6191a020b6. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/NLB601900225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x392d00d2a943b5a3c07d61de8437359ae49bf9db2fedb622dbb8d293db0e38a1. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLB601900226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273c384147a86e73f3cf66ac1d7f91214257f39570d14311f30728aa9535d931. 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/NLB601900227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ac54dea2f289a4a0db2e2cbad53631ba7b40287d569fa422da85bd493cd681. 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/NLB601900228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cca90d13f35db118e7cf4c468f854d281f67421642d150d2c693885f37cf8ef. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/NLB601900229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60c1fe006fb1c1ddc44a93b74f90d25565483005c10e7df347bd3d72414a25a3. 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/NLB601700271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638336ec3cfa0472abf571e3430b4e154e5cebf20b768b79f21e96b79326f977. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/NLB601800423.