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 0xdf30b91f5cc852a973d8aca8f682c84e4557994fcb96293874941b6531816bd5. 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/dc17919e-aca6-4a8a-866a-67bb3b235f7f.json and https://artists.proofprofile.net/proofs/artist/dc17919e-aca6-4a8a-866a-67bb3b235f7f.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 0x8f3c7a9ffe777f83d84cda6abce3ba5dfabfb3e30659f94d222bb72c6cb7222e. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/INN241901267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb40b734826287e724d37e6d456dc0067327bdf01a257ee69377a4662923d749a. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:56:26Z), 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/INS4J1910053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16d8981de4dd5819d93e9996cf162b388d3663692039a238ffa3b5a0fb59d465. 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/INS4J1910055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1895cec2e44af0a8fac5a5d535349556d6557f1a8e0b419f753841ffb268564e. 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/INS4J1910059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847d261f1e6e5e391816dcd66cac406854c059d5bc0c7306464fedcb44f3de75. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/INN242000886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75913c27922e4a5cb279fd745ad709fd0a2a025b56ed4500d6c627e10591e3d6. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:09:18Z), 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/QM4TX2031749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992c0460e199337565df0d7ace8f341a173021e90634d66c8ffea8dc8cadc92d. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T04:38:59Z), 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/INN242001706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0bf243aafacd4197f3bccf10f8ef93cbdf928f7ac9febb78752c860597832be. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/INN242001705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97ddd00f620e7d776e258467576180d56afb13ce70d71d363641edf6a4a20e6. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/INS4J2000148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ecf98d0b66c99c06205336bd8a8ec01a690e441d3d078e09e35bc523462601a. 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/INN242004433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58be547d3888932e715e6cfcc152bdbed4da774d0411df137a93a4700e4eda41. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/INN242005602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d8e606cfdf44886e199daf0ec6a8abf3655adc87854348c4db37aac1a9e2d9. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:38:22Z), 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/INN242102593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283d69d4320536d5397fa2b3ff3e49b55f6598a19088962bc267323755000772. 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/FRX202153209.
Rajanigandha (Epahi Omiya Premor Subash)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9b72365bceb4dc7333b12f86dab111c7a8a246a200205e73079e4963fad432. 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/INN242111376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c77a70d981d38fed14bf7cad69de96fa08094cbe2b6a89b5b91ec3308b70dfd. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/DGA062295378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe597efdb84bcd7b54dac392a44e36e7e270e16afb240a43128bc42e601b1e1da. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T18:01:47Z), 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/INN242212534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cdfdfa038920ca155448fdf453825bd386ca63bd97b3bb8db75f25b7f9b248a. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T15:15:12Z), 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/INN242300127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41027335d577690aa774e1ead01a4ead4f603b5abbd761d920502b9e36de1117. 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/TCAGT2340637.
Maya Siri Riri Ja Namatu Tuk (Abahan Theatre 2023-24)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf545505d13d5ecb057b36e233944f913337fe74437993b2f7fca6fb8eb6945ab. 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/DGA062346452.
Tumi Hiyar Pokhila (Bordoisila Theatre 2023-24)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521b5da4dfe4020f5eb89f8c5df1c9733a27dac4c984108a6a7083f2b3abef8a. 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/INT132300983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce5e7b019d6d5ac767f6e3a86d1392eb0a73fa6568a3f0d411074855b3551b9d. 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/DGA0Q2382905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e535b2610e3512fb8e2fc28462b83444ba9fcf1c29f3949db53361cb241f3cb. 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/INDA92312301.
Kajol Xanile (From "Rakshak -The Saviour")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbda32a4ef78b8f6dc8be2159809a92f9a48bd60e438654bd322b48079b1cc55. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:19:14Z), 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/FRX762496882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e439c4369f03888356646230e18eb8e5ec4d2d8fa0ae7a31097327e1781e14. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:57:54Z), 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/INJ562400224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37372e8d4c5d11b63611697416ebeef4d6ac375825e1c3752d2199731b604f84. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:30:32Z), 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/DGA062429996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfdf5caa35ac7c513baf6d3960bb42e5acd1891a409ec08c80779a110c26aaff. 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/DGA062493441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e47b107184bb77b9b47c7ebc102889c5a5adb1ab311b81e56dfa7589b9e8ec5. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:29:51Z), 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/DGA082421582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c6cd2039e7cc3ec9c512dc2197e28e004e489ae284cb7034237fcc1b371dd2. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/INJ562400513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd871ce627f79b3ca5e9498ed19aea0e235e12b78598f813ebc6304d6306508d6. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DGA0M2499004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f738801dd33fbea103169ec55eef84e7049846b910f2322b5b66f6d030539d7. 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/FR59R2468048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bde1e40aaf02b33e0931ee234cafc3e27b89b24c1ce722bed3c398ddc1a4d30. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DGA0M2467702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d7b1290b3dc675e095d708ffd8362f35fe50efd589aa7a20879df8e1b6b5565. 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/DGA0L2439424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6cbf38787bf17237354e8935cd240ce6f7f56673d1dfb402b835f9b9a3d810. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:05:54Z), 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/DGA0L2498236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9907f2efa2a0b945441b7d4655593e8a2386c285dc1f1194869106cc73b9ac34. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/IND832300833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc67eab77ec1d7e8f3192d8edb94b7aabd3c8bfdf5a2577e11a24bd6ebae382. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FRX452519278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f2304025323c3f6c80c9efc7bf4a54d4f20d1657ddf5384a17bc02a0c51915. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/QMBZ92573606.
UFF SIKUTI NIDIBASUN (Oh Anjali Oh Anjalu)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8402f7d7907132c8ed82513f5828ebfcb789d537bb0cc713a80306aa7433a8fa. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FRX762519534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe971b4014105a217b8ff9ced2032f041f31f42b5911e5b719f03d5626bb45ca3. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/DGA052513859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce11c5cfcec1b7921931898ac877c65c4abd281b3c8f7bbc7a2fa7f550a850f. Chain 2 (Bitcoin): anchored in block 958882 (2026-07-20T15:37:03Z), 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/DGA052505990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefad6a48bebf66f0932883a447b7018819448a23662491cd1b00a003a38c7d38. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T18:09:31Z), 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/ING212534952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2debe348e7b8cd42197fb11ea4e8ee20a596b2f8835aeda50d1dcf5b36a0751. 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/INM3Y2400216.