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 0x0ffdaeccefb2cf3b2679f22dba858c0ec1ee258abcfa20c76f0867d10c3ddb12. 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/6fac559a-1dd3-49f3-84f7-a4d7ca84fdec.json and https://artists.proofprofile.net/proofs/artist/6fac559a-1dd3-49f3-84f7-a4d7ca84fdec.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 0x1b10d24196299738dbc00ab299d27cf4978aaa76cbdf697833b746d35453dbc2. Chain 2 (Bitcoin): anchored in block 958911 (2026-07-20T19:29:02Z), 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/USLD91702675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e75a48ea66db482b245e85c50c5fbe4e788847e4c7fa381b02b464ce6dcd806. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/USLD91710582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8161c6276b4a423798ea06c0b2a396cb2c7b3444793ff73155483493cedd12d5. 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/USLD91710586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc19cecc4000c334042830b0f4bc35310a38d30d02d3318b467e55fcbf578c5. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:32:57Z), 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/USLD91714010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4caaf44d3185a4f14a60436041b4fdff15b48ad61eaf4ea20bf8b94e8ae2f204. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/USLD91715236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ab7b7eb5f325d3124ea37b2678f1dffe42679d49c715e3e101cc518d311d8c. 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/USLD91717185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7fe7db219d79f17d8a428b74d48c4cba3e6c083a8675818769d78a1ad9fc45. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/USLD91718083.
Reaper (Snakes of Russia Remix) [feat. Snakes of Russia]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701e95d4a080c9ad597cd250dff5fa4a01048386e42c10055785e496a6150204. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:29:18Z), 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/USLD91728894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47427b5b02566bc2f93172c5222dfc3054739657e4764a7f84994a174e9614b. 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/USLD91730770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bd46e9f4bea0c54559a6ba6f4ad361463ee938203b992dc2ae01156dcaaaaaa. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USLD91736092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1083882e311e2db7170b798aeb90b0c738113d11f4e3ca10fc7914e97d135165. 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/QZMZ92352985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccbfe0771de8211a0f84e6d3a75d5bf3f4642fc4237a5806031d38843fec712. 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/QZNJZ2300525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362d642d46840ad542ad95d0a1ece8a06edd10f3ae0cf5ac794de134152ba4c1. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:22:52Z), 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/QZTPX2322339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3935356755e5261a8ccf34119bd105be71be9fbef91c6ccb627a31d1376e9005. 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/QZTPX2322337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a9a5b86d32491a672b2d91fa1f329147ed2befe57e223086ed2efdd8fdb9fa. 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/QZTPX2322340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6324e8416f65dff4be10b5c6da41787fd76d1c80bd11796a8e26605915b70c6f. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/QZNJV2445228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8eb376e834d204d9943f9732897e46cc85708a6d933011840b2b74785eead54. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:24:25Z), 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/QZNJZ2417178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x798f9ccc8d26cfb1ac076ec9848cb91f722cb44993764a197dae4a836c30470e. 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/QZW9K2456117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6888d8424e613ec6d4e9c4dc5cfe8d53c639bcb7dcc12989c96496d5f661cb28. 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/QZNJZ2591318.