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 0xbe96723cc2d264982a0cdbdc395ed0ae7525231d186fc6512ac9473013186ab5. 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/53c08854-d1d2-43ee-a6c1-decece38cec0.json and https://artists.proofprofile.net/proofs/artist/53c08854-d1d2-43ee-a6c1-decece38cec0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mad Day (Ed:It Remix) / Into the Light / Valhalla
I Don't Know Why - Dabs Remix / Sparse VIP
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 0xe8b8ed06566ba5b85284427a839bd7f1a49ab22a78889f80c1a04f29ba694dd3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLCK41026158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7f5d669e844c53e25e684ed75a17b2d550cce8070fc8468cca38bf900ee4b2. 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/NLCK41026163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0ec6628c0932ec4ed4e5a8736b402703d2f8f60168da97df8672cc6e7b70699. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/NLCK41026152.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184a2c44913d38f1583d36219bf049dcfc980d35e50eb86b564476917fc3596d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLCK41026153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6af63f86291cbeae1e6847929c77aaafc46dd35d0bbbb3032454dca5a999397. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLCK41026154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b0ecef25db0cfac739c72009e8e299203247a8f7cdf9f7d099b95e0267c2ad. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/NLCK41026157.
Groza (Feat. LaMeduza) - Formally Unknown Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd47caf89056ab52f8fc8a9bd3836f6a8f89f862797caa5af94e03a3e46f22431. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/NLCK41026165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a6053708af90af9bf1716bf43c231d3e7b7c3ee34d49661aef9f57d5de9890c. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/NLCK42237295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7d72c00d3467a8b4fcdbe4f19db987e5f95f9ac311b61bb952291761f72645. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/NLCK42232078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc79ffa90f60ea9b88c23f2d793499dcb8ac7b54fe74f3ae1fa1aa4276f9a31db. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLCK42212430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee6ddb14cf422865b10c1b834e69cd07f17b5e920f921ec54c030687ce55c7ec. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLCK41099395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d0de07dfd3ec59cbce1c4e73309f5d5a550c59afbe27f176a5ef29e62296f3. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/NLCK41091318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9952eb9a6d3266ab6620c8505fa5654c8d7d8e4ffa5f7f524d7cba3c73bd79d6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/NLCK41091319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e26b89534864406a38f3e8363ae983697947b32eaedd626491bc0033db36f43. 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/NLCK41080271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccaf7a80f0b7268fdb1f62501f71fe5c676aa2def5ed30aac46aab987f810055. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLCK41080272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e7b388ce076e333074b1ff212584d846ae7d9576849822891c3ceeed2030497. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NLCK41048227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36343e0fe6973d262477ed43e8df761920685c74092e3371fc1f7a252ea1525. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLCK41048228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e380452c32b58b2cf4ca1538b42ea255fc9cf725ce9bc6ac351759ce2b76141. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLCK41043396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b367e56cf7ff9e23a00e866fe8d437830fcfaaf8f544c5c9312d4055e832f2. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/NLCK41043394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ec9d9512fb9b5b4e6c1cef6173e962bc4e1d6eee014e9f6ae7ce45a0eefc98. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/NLCK41043395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcacdb7de0270231065db63743711272e76a2b24b170f70c2f5241fc4611e971a. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/NLCK41043397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa499aa7ac909674531598f8609ec2e6668462312a679505fb51553a338b1fcf7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/NLCK41039054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x112e424ea6ec87cd4a0e2ba0d6e305e218b6cdb2fb40e952284e907cfe468e62. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/NLCK41039055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c1c77023766fd1d04f2c1fd1c4685cd72e533ee51aceac5ffe44fe2f47c304. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/UK55R1500035.
Could Be / Things Inside (Hybris Remix) / Dreams
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59d3c0b17f3a0bd7622c89135a292f20a3c1a9f07f3bee44a36eb71bf7002b14. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBBZH1300147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe452d796d484de1da1ae9dfb91fbd5e01061b296df9f1486b95265e547578ef8. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBBZH1300148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752d0ecc14becec7fc456fc4ffb5a546f3f3b5e84bfd2884c0ea23e4cd22e3f1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBXJH1000029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73258d224d66264b8c23baad92ea15b21cd33810edd36adc61355cc0204e9ed8. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:28:58Z), 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/GBXJH1000030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f8b6b0165503e66e4d47762762031ed30722359123b6681ee040d7badbaa929. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBVPL1100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e6fc673408561e9979280c857284c777dde7626eded6c48e517164763d564b4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBVPL2400065.