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 0x7f1f5e5e06378e746c1c2ba73091b60c4addfa384aad14014088f793a356724c. 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/7347ea27-763b-4b1a-9933-83f0063454a8.json and https://artists.proofprofile.net/proofs/artist/7347ea27-763b-4b1a-9933-83f0063454a8.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 0xdd0cb5687c45ecb4f3e3955a78bfc34030a9b8cc8265651ee4f69ca8f1cd502a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/AUFJC1300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9debe1fa1f8e803de653bb2041f9bd06482a66b5489c141239e33f0e4b99d0cc. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-17T02:23:14Z), 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/AUFJC1300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e493b49e527294d2d333ea84f933215fb3a4fdbaded50cee2d1c34af6f350d. 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/AUFJC1300004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x806c839445fb9de3ec7f20d86ff5d41c3b61c118da2d05efc9dd52fcaab55c62. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/AUFJC1300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd553bc2dedaf27a610d8e7bf3855806ab931e7ac89c0670e4e8a48eddecf2b35. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/AUFJC1300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c215fd4add58c9495bbcd5d3f5eb69083b9d51088f968381053b3c9962e668d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/AUFJC1300020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeacd3c7d99c2f449fc315da3b4d453b972ab39f47bc6f05ac8497f18d612dc0. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:42:41Z), 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/AUFJC1500026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c7337be905cd88f00f293dc5c5455713e44474b16b2e861091d98881971e91. 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/AUFJC1500028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fbd168bfbd8ded3cdac73a9c4da0a493cbc9be67ecb802b27324331a29f0473. 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/AUFJC1500034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc02276fc9f097b091eb2407a8da6559d09d8d13bc95d48aebdd2cdf64fc89b1f. 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/AUFJP1800054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48325a208471a94caeacd1d2b993fb26b8ae4f7d4f0308d7f44b3697f5d57fe3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/AUFJC1900125.
This Is the Way (Farming and Farm Animals)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd03e99b0be3aec8572bae7e0af4587c00d3e975c490f90bb26ce163c057fd70. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/AUFJC2100187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01a8d05bddcb0314c668dcda5c92e5ddb42c8bacba049672b7f88626c09c91da. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:21:06Z), 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/AUFJC2100185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2702fc0b2e667baf3377e70908f9dd804e5184b01f1e736318fc4d0be88131cf. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/QZFZ21959670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1f0060e09654285bde4018895c2b13452846eace430f652d02be7d877ab69cb. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/AUFJC1900112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed3b8fe18f07633004e0977f38cc6b529e7206593f06ad134f93da9282e8034. 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/AUFJC1900115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711a804eced99d700afb44721466c87a6f56b9e1aa97853e486cff0a49176953. 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/AUFJC1800200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10bc4f53be2e2eabe3d4a107c2935d47b38c1bb2ee1101863dd2505818f3816. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/AUFJC2000130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa392e15f60d40147421c25ee1e9beb4a117bb54da0f21953fb63ff3f856571a9. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/AUFJC2000128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79b6222bf85624f23fcb073dc2cff380848801c74afac9fe464afb8e710c4d64. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/AUFJC2000138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c71d06f249ef04deb4e2fd61be0813bb29771202dfbad4680cbc885287b0b76. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/AUFJC2000142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb0421aae6447965b2a860139c11322a292716e11ad2ba88a5c980d8a9f1124. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/AUFJC2100159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6ecd374c7847baf5631acd730309bca898e939e1a4f74ddf7f5629678196da. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/AUFJC2100164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc89fe2d1a508b50a0df9b5190cb94abc941488414904f30ce9557ca2bb11911d. 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/AUFJC2100172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0fa1a95ac5753cd7a88db0bca34d677f6479f3f05ad9fa13b82e39e4ec2b5a2. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/AUFJC2100173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa919073bc7257b660e1c95898a44dd39962dea50984fbf2f9c0daaa8ba71ef05. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:25:58Z), 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/AUFJC2100208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d799baf4576a585b62222dc109ef7977090c2ed453df008e29da4d8b7263d9. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/AUFJC2100212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ed66c15bfb48ba0cf2e753fd5d547e1364c567f0c87873c9737158bc7f8f76. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/AUFJC2200222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0d6069120f61e05a3f27a862831840a2108eaf54db7956386b133fb7894abd. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/AUFJC2200245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5950b986fd7110da6c2136e8941fc990eae0a7773e744a8a8dc5a2fd099f6dd9. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/AUFJC2100158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x542f5e7af22f5c777291930f3b37a5036b23335330082e172919e165a8939f60. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/AUFJC2100161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23bb799d4888da7e156ecc585294a12165b20fb24aab11030a7f5a0f977615b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/AUFJC2100177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d5b641d7d63dc4f3d2fe212bbf78172aaf451e98c205ccada8c98a39a7dcf46. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:38:10Z), 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/AUFJC2300255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef950451d4e66e45244d2c6fc320ceeba49f1c40801db56aa2a478691eb329d. 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/AUFJC2300258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a1d90ef84c92506d10f2bb107750e7a9c73c122a625647e5b2a3df0cb312f9b. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/AUFJC2400260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5238def528bde6394451545bc8459c070efa8a260c96ec6eaae225e5cebab3f. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:56:18Z), 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/AUFJC2200228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4f05854cf60db15398b51bd5fdc0088f94b0a58743fa27be5c37789e3d1bd33. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T22:07:59Z), 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/AUFJC2400263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264e7611643a6d2e30da7f4f3307c15cdf4c3fdd79222ba144da26040af16cb8. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-17T02:27:15Z), 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/AUFJC2200235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4013d5573c0e69b41e1408bc13d6da47a21284d719af767f8e5b56aa92905d81. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/AUFJC2400279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db38e6bb744c6162842ec81c33cd1aac276c333ecff8424050cca2d0d5b14af. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:40:49Z), 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/AUFJC2400281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfecc1f198d03af54ef7b222e9a8609465665170afcc6f2f14301cdd7314ff0e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZTAU2560157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19359000fe2a378589033a6544735ccaadf4dd352626ec07a7c86d9917ebf289. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/AUFJC2500286.