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 0x610eac80605c72adde3d180521629bd9ae61fc782cfdcd53c9ca2a0096ca84e6. 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/b444bf0f-ac24-4aea-9dcd-eaa75fad6e06.json and https://artists.proofprofile.net/proofs/artist/b444bf0f-ac24-4aea-9dcd-eaa75fad6e06.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 0xdd53bee95f78d618d33919053035ee806551067ceea811d6c32eceef6c307ecd. 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/USHM21824194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a248634aceecf845c8277f098778bdcf5ea0779583b4cd55d7852a0d10bd6d3. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/USL4Q1908026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad3cee1b690b7cb68d97cb096a5b482071e71b43bd2a0887ca45f83025169348. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:26:58Z), 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/USL4Q1974440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8e8a204a5f86f2d9abf08fa2b40d59cd5e8e88d20998925b07b2d32adbdd94. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/USL4R2004399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a9d5e5d5ab4f6d70da3813d1f2a528e0a99cad0602716ccd386b416bae7bc6. 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/USY282002463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d80f6c51ef583a9568dcb1105c1b65b0c6ddbbb125cddc8a91ea69280ead331. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T07:03:41Z), 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/USHM22123307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8f005d8c8fa12cf3dd44f3e45ee034b1c21dca213651ed19be9823893c6354. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:47:04Z), 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/USCGJ2206165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x080a749cee8b4648ab1c115250b5acf1fc815ec1e9ac2ec729aebed00d8f5762. 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/USCGJ2206168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc3ab9db8cfcd68d6975132b293ec0471a85bd194876e7b2b95be32a2272f36. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/USCGJ2206169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4083345fdd1dd589bcc9d002357acceb439019416d0aebf40030bc035c0a73. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/USCGJ2206173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa434b0acced1e1bbc5f8230ae092d106b1b9e4510bf3db42e48cca03f93481e. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:58:53Z), 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/USHM22294589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f9e8a6aa662cf52b35c817a77b76d27a3680017379aea05122c1db96a6e23c. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/USHM92290228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd8262a81bbdd645cf64ca7d86081279684ce52681d1730e05f066f3f304b6a0. 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/USL4Q2231212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x502bebada044898d7eb2454bb3214fe662990f312b1caf7a9bbb2bbb19be6d26. 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/USHM82360100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023136c2dec2c5243b179c90cfac688898ece9d646d35afd5fdb4c563f7875a4. 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/RUAGV2303528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab28a797884e208471d36512762429e58c531bb4625c5f3ac2de17a0d9c3f98. 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/USMH92372347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50dc370e37900af5ab4c40ce6350f45cc0695c1146803a71825c7ea69ac2a5c. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/USX9P2398631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225882da17688e35cc68c302311e829776906d25a0f99a3baa04e0e72106be5f. 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/USHM92480696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6180f5e1df33ce671bcd3c6fd7f23b6b42db9e2338254e924f984e61fcde0533. 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/USL4R2405197.
Hamma Ko'zla Manda (Dj Tab X Dj Zuxa Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8365d70bada8cb7c8aa0978c5ed9efbda300012eaa1e0ffdfa43d173f6ed2592. 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/USX9P2421983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7af1466502144c936d5b7bf609d114d12469910a1aa76fdd98e43521320c265. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/AMA0H2500629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab85ed7df291075cf1d3cc0ac5d55d02fe8e44b892684f6d0ed6a8ed1150093. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/USHM92553053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x125f10540f1c73948a41cc45880282e96cd8b52f55160342652822d7eaf38615. 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/USL4Q2567291.