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 0x234ed9bf34c6715ea12c4f8e99cf63c3e307c56b741618f03719ddbd32e2d336. 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/a4e6e77f-5bae-42c4-b79a-ff2c1cb10ad9.json and https://artists.proofprofile.net/proofs/artist/a4e6e77f-5bae-42c4-b79a-ff2c1cb10ad9.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 0x1519cb1eaaa9c63e5afd65904941e1d60980f7e2b92159651a86d918ebe6be0d. 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/INA6W2201050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4beb3ce8184e70e25d85a6ea09c6fadb9d9cb3eb10bb044c7aaf23929f6335c0. 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/INA6W2201107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ae5e4a2293e2314d374c2403137ff20eba59fd13906661b7d5cff12a8ec61e. 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/INA6W2201037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x993de6af291d312ac1d88ba2f5432dde3fefca487e8f10b5de5359270bfcfee8. 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/INA6W2200961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50f72b25778e4e2b353daedf6b258eb73df615dec28c73b1e2d3248b6272aba. 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/INA6W2200854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1624d8a359735c0bace1792450bd7f292fe93c7ab7ba49635edde55d1bc5f4. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-21T22:48:38Z), 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/INA6W2200837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a3387fc907864c3d4d6a2312cfb7717db2be9557e315bc0af5d9255f06b7bc5. 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/INA6W2200736.
Hamu Tata Ruta Khasu Re Kalaliyo Maju Lol
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11e6e0cbf328c9953da08d5b7c9caafa828cfc05c1bd3e12eaea3af01e36031. 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/INA6W2200710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15dcc1a3a2baf1893d91f53ebd667ccdecc5d8e1e44c53885f36fa661e2431e1. Chain 2 (Bitcoin): anchored in block 957246 (2026-07-09T01:49:50Z), 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/INA6W2200072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac5a795078e8a0cb8839eff09965b94be6e45fb1db1b2e895566d1e685321271. 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/UK6822415386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd74fc9afbd4d9fa9924d6ce7455124c3279ac946e5f34dac37db75f3a063db. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/INA6W2200974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567cf44255f79045e2bb24dbfdffd4a93c439c4c91741bb06dfe93d7f00f74df. 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/UK6822324001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8a4c44903adc56dbdcfd3f54f8753f4a1e2a96081d3fcb1a78518db2e4ecaf. 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/ING212494924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f089c7479f2bff85376d7c76ce52df923801a72801193f73f7a0c8b13a24288. 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/INA6W2200906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d410e5334e7f76cf472a0be9b53fabfd783a97598cfa0e389e1b8afc3ba4249. 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/INA6W2200699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7620a20cbca5f7b8db8e04ec4610ba8b71902f90b7c72227755a5f6e16cb4118. 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/ING212470279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d5d5b83249ad17b0877adb21fd6cfddf97ff44e57fc44cb178a54bc865b7fb. 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/ING212467828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b2cc7fe20502109f4b2d2c34a0bbfb364da8a6494d61d6a23d996c2bf6d3c2. 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/INA6W2200654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571d7b5ef7113555ffde783b9eb358acdccfc20c0b09a65663409174817e6490. 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/ING212463122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe95b4a236f7b2791ea250168dd777d81d083b13ed53a6c4bc3d1eaee50bc6acb. 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/INA6W2200535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8fd46204d562d1d9ed46a3eb103f959e84d5cc6282b4ead928fbf31982849b8. 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/INL412400171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b91fb0b598052595dba2d257ddf632dfacebae37ba3c8879922057705e8fb36. 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/INA6W2200438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a55b27d0775014408855565f4ecce63ba75c52dbca2fa6a7015587e032782fd. 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/INA6W2200382.
Chhai Gayo Re Gandhwani Ma Umang Singhar Bhai Chhai Gayo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c8f9efdee39447091a671ecc783b77ef265c69376c2fd5ea85a0360d0c488b. 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/INA6W2200362.
Gandhwani Se Khodu Hayo Aapnu Umang Singhar
Mahakal Dj Chala Par Nachne Aavi Juwanay
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d5ece5d11b8b329be2ba3091e27674efcdd907394ff907b67d39348b35b9f7. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/INA6W2200333.