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 0x4c5c95f5d2a0bf05298e3776f74960e1daa83f040aff0f89c3b88d22ffafd565. 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/a6a5a81b-ea64-47d6-9304-1c6c2bc7df80.json and https://artists.proofprofile.net/proofs/artist/a6a5a81b-ea64-47d6-9304-1c6c2bc7df80.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 0x1df9cd2b242e0b862727e3eb1005ca828cade317edc3b234a36344148967e4c7. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZK6L2379895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea473a9c09caab17082ee62c81379975524c8cc5116f43e925c549edf9084630. 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/QZK6L2397040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6596c48265388032788360bbec23d2c82d2492d9a52f1d5a397d5626d3cf3b7f. 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/QZK6L2397041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e96781ccc4af0a649e8ceca94c0b6464576f606e07bbb653ace1ff131a63fa. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/QZK6L2397044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0d6ca7af4325cc2fecb5d2563ea4c5e525ed1058b5ac2e332d19d2d95d2ee9a. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZK6L2397045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68455843e98106c613a6ca828b49da964031ae71b0bc37175e29dd3f6ec6b47e. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/QZK6L2397046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5037818a25cba9cb899bf91a75a32bec345d7d20e4e8ceb9e207eb21615719b. 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/QZK6L2397047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f567b2778359c6b906b3df6b4189175802f37333b561641bf7c02e4b96ade87. 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/QZK6H2385824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4e873a707380ada9bce370cf94ab4a96761f0175061047ae410a499e2627287. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZMEQ2376410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78fdcc45d33497b89cf09e77f3a4759c85f597ff3957148b579cdab4c371734. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T05:55:09Z), 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/QZMEQ2376411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571be64398d776afbe0c6ae75dfa84d8d166767412fa9439611b3bf733a8a26b. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZMEQ2376413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5088134ba724dc0f75c62c4d505174ad8967dac39c4d345405a2378c461e8116. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/QZMEQ2376416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafe9acea3ba92a54808ba4411332519f91d6d84d79b05b03cc6c1436dae43865. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:45:00Z), 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/QZMEQ2376417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca91b8e38ce276b4af9c96dcaaf904ec81a0a404028ed4bba362827412d4659. 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/QZMEQ2376418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ecceaf5629ae40dde1cc70762282de2b27d0e62b00511f6198f30d1d9555173. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/QZNWV2390086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b4c45de25136c76fef017ef9e6dcad84af9ab263e458381998829958dbec42a. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZNWV2390087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1716d17a028b5832bf0271352f3b6eb8eb718ce050dd5c8b1441a03fdc1b7d1. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZNWV2390088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50ec8b209346d0c2278bc831b06ea8c1c4f95fb7eb097434dbe2143776507734. 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/QZNWV2390089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8ffddd1827b4e45821282f5077d1f3897bb7f6a537a528cb4d714e64316761. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/QZNWV2390090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea684484a45867473bde4483a89e77fa8f63d06df8dc6e938b8510c4034a44f9. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:02:43Z), 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/QZK6H2449546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d34351c0cb3058d13bbbc05da3c5b73d00cf7df9afdc94f38e3d0eeae3a3c5. 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/QZPLR2458570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x545989d1b4c7ad5320959c9fa821e8b2ac2e00b12f77152437c1f7901029ec92. 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/QZPLR2458572.
Ke nyaka boss_ft_Motsika_& solomon_pinga-madzo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b009fa9d430c21f1721e523491f3729bf296402de20e0d6c096ed6c7fcff261. 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/QZK6L2503343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe7484d95e2f963beb3379c41c92354cc2b4a66d03076aaca7608ba1e545d63. 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/QZK6F2555794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b7dca270e5d9ba6d0a872cdefe5193006697c5b51d835fda4acd97de5ac10e. 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/QZK6F2555797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5463e0fb334d0fc33babd46b9759fdcbb9db78936f8d7da18b312e56e64261. 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/QZK6F2555798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61832d7e82ade6eaca7521c9514edbb6ad2ee3172844da88b14f9cb802016b11. 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/QZK6F2555801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9261c407e74168da0564bda97f4405720756050e54e2653d4b4642a2ce0c8070. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-16T00:37:51Z), 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/QZK6F2555804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc692c4ef5b8a2e9e470b7de4e33ee4579753d7b2e0f5c626888fbb88e5c83f16. 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/QZTB92554095.