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 0xccf8eb903b1b361e9815461cac9d3077b28fda199bf7d6f32717358708b9c386. 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/83aaca5c-c27b-440d-b8b8-c71f74a47b71.json and https://artists.proofprofile.net/proofs/artist/83aaca5c-c27b-440d-b8b8-c71f74a47b71.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 0x5d34b617197fbd83a5ecbda9463405e3f6c78d8367b15d50c3c642bcfe2cae9e. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T01:08:10Z), 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/USA370580594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb892e94394779c342f36b9158b24b0566e906a9f19768e70510230188c0c3b6d. 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/USA370580588.
Dzied Nora Bumbiere un Viktors Lapčenoks
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3ad446aa43b7f368e004434797bc1c2e77f62f9e430d3b224f967b7f522c53d. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/USA370580578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56726fca7aee67229281632276d8f57273b47cd4ad60e9224cb22295dc5fcee2. 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/USA370580587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4751eac13eb934e283403d003620d732f3cacdffc31b6cf13b044a1d3690c4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4TX1851912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1e0829d65d76f7c28cf040af2ab299404b26398d7dbad25dd3c0b35077c4ec. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:02:56Z), 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/USA370580490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79d8bd845372f724caafb15dcdc58dbb4eb139e727768ebe8e80aa0b549953d. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:37:20Z), 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/USA370580502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4db1688155f714f27804b50af0102f95f086c363c5b1ef14360e8e0d40d350. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/USA370580506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b7d635a8ac29ac1433677bb817ebe0cfe9bd3c83adec238d210bf902aeb7a0. 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/LVA109500271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a0817e88962c35e5602e935403fca45484399f2c16e70325f3130ad1219c91. 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/LVA109500287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd559dc778f40a2cd55e9744502eb72775aaa4d3a73de4c9734e895ee140c0423. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/LVC100500054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20726a550ddbdfa1ea0b5a41c0080b9bfd5cd820c486987104410c4879738403. 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/LVC100500072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb9f765690f51fe1587a3590ec249f9e0a30caa51143b4501d7dccf9ad54b014. 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/LVC100500069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d50502c4fda60807f81c8d88658410e672e264608804856873fe1bef08173a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/LVA109500284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e63b26a28691a020852e0c52083bebe6d73884deebdbbadeccef6813fd9042. 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/QM6P41546890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e80d06ec0fb03ab577698b35ddfe3834ee60c1b8208610dcad8b04e47c77674. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QM6P41546891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4101382a66d5dbcbacfb4e922d4ef35bcef69a99553e2307d0dd8541bfeeb2f. 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/LVA100100090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x575bdbd0ae4feaa80785d4274965f6244a691ec2e9e2c4dec32a1b1c3d11b109. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/LVA109600078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6ab41a101e6ba94faa6916260fa26975d0bb1251d45685fd317b3aee0590e6e. 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/LVA109500274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x277b634f55c4c96f2495e480e8e6495054177079bbbc2baf5fce11628a4ffbd9. 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/LVA109500273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab853fd6b42153ebf6a91930fb3e00dea253df09d5a994924ff2bc08ab434fd. 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/LVA100200005.
Es Gribu Dejot Bugi - Roberta Lejasmeijera Remikss
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dabacdf152ade8e5f5f1a1e82364fe785cadc4fac81f40bdf45224c0bd8f821. 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/LVA100700383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfee1cd85bb64d212c2fb31e1afe737540f7f4928fb864ef8dc3c84a013940726. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:24:52Z), 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/LVA109500285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1422c9f3c3727461e953138d39411c5c5eb3fd5a437adfb5e8d6f8afe6a8223. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/LVC100800003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d5017dece0bc87e8b85b5de268ed73dc9873cd41990f2ff05b993ebeb3d70b5. 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/LVA051000027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6beaa5bfc94e3af14a492f052df73ab4fc4e34cfc0e1ffaebe84f56647c7c44f. 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/LVA100100092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4101382a66d5dbcbacfb4e922d4ef35bcef69a99553e2307d0dd8541bfeeb2f. 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/LVA100100090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b2cd525ab61e066221529be5d340dd1b162c091d8a85aa11f398bad00e3bf95. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/LVA051000046.
Latviešu Šūpuļdziesmas. Tavas dzīves ievārījums.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9b0fd43b4f0ad3e93cf4c3303c8b497733d00b9b7d0bb7674ffbb55bdb94a5. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/USA561408459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x447bcc8d3aeaedd056da470d686268357dc847be29e7060e3bb6ec8e94170651. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/LVC100500059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d2ded4e9eafaaa73e9e981f6f2aaa85c40619a3ebb4ba7dd909447679e4ba6b. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/LVC100500045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671c99706b5d3bc3e39f7fbbf980fe6ac0ffd4e6785b227b4686883815285d34. 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/LVA051000030.
Viss nāk un aiziet tālumā - Mans draugs nenopietns cilvēks
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85498dabac6429dcde8010291924666217dbc260f3357c44be55209864710f0a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM6P41710142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4815845e2b77853b117b8886acfe109dc14860b7eefbf77589a0f0ab6117ea6a. 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/LVA051000052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dabacdf152ade8e5f5f1a1e82364fe785cadc4fac81f40bdf45224c0bd8f821. 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/LVA100700383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32622351962468c71534920f9a925ea3bae97c2b410220062fa2b5d65dbea9df. 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/LVC100500058.