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 0x2077bc7348afc25971e4d2f1bffbe598dc89123e904f5a75e931e15cd828415a. 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/b3fe1b82-f7cd-4bc2-9b44-34f4e7ce3a6b.json and https://artists.proofprofile.net/proofs/artist/b3fe1b82-f7cd-4bc2-9b44-34f4e7ce3a6b.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 0xa7b107289ef7f930fe83564ae5bbcb2bab3d603491113025905e3eccf0f5b8f3. 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/AEA140200049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9575a08503107328543788ad695f0809bff83631b2e8c429328b65b0a45cb3f4. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/AEA140200052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb00489bbfca64f186d4bd432bec471f1b2c78a85055b7ebd9f91a1b6aee334. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:24:27Z), 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/AEA140200053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5436719a5252d4dc3fe13422a39d103eefd6e7577f3268c14890deeb0828f6b. 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/AEA140200054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x153e91377534177984b38592962fd21d211490714b42bd7dfbf732b126706e8e. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/AEA140204097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb056a70721a51f95c320c15ea49443041ff664a21ffea569b9f4cd9c5a32851c. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/AEA140300143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6525fb88c6624023c2a5a2ab5f714f9476455775f5325cf7e92acbb723d7b5. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/AEA140300149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ad35987eba91009e2be98d09e30ab6e9760da0045305e4776dae40fa2fff43. 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/AEA140600059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38404e65230af70b10233f8354198bd78f200899bbe50f5991e931e670f2a8dc. 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/AEA140600056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc545e5974e68655a94b455aeebf81d6f1a02ec2d23bae1466a5b7f3bf2cfa032. 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/AEA140702130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95304ea240c0fb20846a5147d972129211e75c8171c1a754722b29057c657291. 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/AEA140800102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343431e80c914740054278efda53b475048592d47523404d3972b2b48a2cca7c. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/AEA140900267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2108972b63485f8be32e57d62662043aceaa87a1c7533a2bc898e12472697383. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:11:58Z), 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/AEA140900268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2115f78a9340fc13131065034bc43d06457c31b0aa64d14b48ac44fa907359c5. 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/AEA140900276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51d25f237c4c0d159a0d971942e69cbfc16a07e445bebe591dab148c1fadbf9. 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/AEA140900272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab45da7d5e4148f677b954cd79b62fc15a9b9a72f89e19d8c8e0cceac77789e. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:33:50Z), 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/AEA141000737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x664e23d496d3f6df6e63d83e4ed571a9d0d496f17f6e68032f4f59eeba228082. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T19:02:48Z), 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/AEA141100740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29834dc389529a2a8bfff121453741f26468177716720642679b3e21504bfe0. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T14:59:47Z), 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/AEA141100654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0988a570e8769eaef9183a856e5467f6ec474e37f745ec5d334b1780ecd06aeb. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T07:38:00Z), 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/AEA141102494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a96296c7371b66d75a82b0b6f8bd71a49a500edb9db2124b2406e821423081e. 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/AEA141202076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1512dc0ff6f2cf62cec855a7a5f13d126a9fddeafe8b87e83613ed2604a31e4. 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/AEA141300726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426e4b721c551638be7505bca78763cb6db80c999edf9c18d44ffdaf94223f1a. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/AEA141403488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd1c94468b1405bb7da7ef493a211b18a38c01bcdbc6d5623c2ba2b0ffda4358. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T19:03:25Z), 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/AEA141503548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb138b48d53a46f37c66eb069c3ab78161d54e6dfa0e7d5c56a42d04e7d863520. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/AEA141700612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x288ca9ee87f1ad659174ba8deaa153e102adc3ccdbb8adddafa0be4a108960d6. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:41:16Z), 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/AEA141703470.
من دار زايد نقول عاش الملك عاشت لنا البحرين
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b43f6f4528052eaa4e05801eed2ad2f55214bfb10d48f1f1e838025aa7b220. 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/AEA141807702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf41bab93ddda8e0deae8aed27a86af3c7b90c406940585e0a83b4bf48f4e20b0. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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/AEA141807735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b97aac674ec12d7db71356783d15d15a341642581dce6afa723e06a25c9ea30. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/AEA141905365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41440c074383b7065d4a9485aa3b4f9189cfa1ea6a726a8a7cffdc222e17be49. 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/AEA141906307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x912adabfd8b1bce0c91e205b8401ca383f283064991a1c0cdd0c82b903c8e0a7. 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/AEA141908287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1637f0d970433841b166578dae36444b0af4373342348f0798b71dc63459af8. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:30:17Z), 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/AEA142007436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7437d8e774f81f29b5680805b99c51622e66d8efe109ccfc8858fc5588f43909. 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/AEA142007921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9d46f5613768d4465227cc3067f456404f6c25d2260c90f1b0696455e8f7018. 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/AEA142102509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7837313684a4d4bc41b23239772f8f903e80340dad36a8bd7295eac788f4bad. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:07:54Z), 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/AEA142212637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa686f67812d75f3b34e9bf655d0dce7ad30254eb8bdd25e9ba14973898c792ab. 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/AEA142300292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9db93177fef11fd88dc2d23951b85ec53b8c6db244384820d4d8eef4f8911485. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/AEA142301200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e6e3b078fc76a7f1ce5823c8aa4a84ddc13f5bbcfbb9c57296864d8fe0c997. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:43:25Z), 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/AEA142401537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f0488589ba886bdff94de4c5e4bbf3753cd04cb08a54030a657ca4b2c5905e5. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:48:04Z), 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/AEA142403549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf127b442528f540aa134f34086e81ca1858a6489a042bbd600e38d689242fad. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/AEA142502153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3516e5dee2130bcdf0d00895bf340a7b57acae461e4bbc016915fb9e108aa08f. 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/AEA142503887.