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 0x01118164b1eb746965d6403c3654cde8821866e0c30555b65cfb138e2a6ca9c6. 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/23c99593-2ec8-4448-bb41-274ecdd6dc6f.json and https://artists.proofprofile.net/proofs/artist/23c99593-2ec8-4448-bb41-274ecdd6dc6f.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 0x699cc664d2a61c4f7b0eccaf0a05c1f82d8135bd6d184f50cb47e26f9eacbae9. 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/ESA012543616.
Shinobi Shodown (feat. Takuma the Great, Jinmenusagi & Kob)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e0cd5e8d3f7a36f86e9f53760ad7cc993824e0e3085679c141833324e05fab. 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/TCACW1788801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b48d5c61cebc817cb1e714af4bb88baf52eec4cd97b606a24e46ab5116f423. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/TCACW1788803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9be0c1adbf8850b776e7a3f359290cb1fb0be245e9bdfd03039e214c96c74c. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:31:50Z), 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/TCACW1788809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4ea0ab72a0f5ef8c27aea1895ce568f1cdeffb688c7b1bb7856817c8750ce5. 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/TCACW1788810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1697fc75ff051443c1c6690b3c82de02abac19e502f706bde8d0ad7a9a8fd54c. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/TCACW1788813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc846222de9acc7459b6d34ea11844e1027b0b6ea2c74f39b5577baf4cb820b. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TCACW1788815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795462b3461b83897f095e2b36581bf6a4f0c523ff67faae2827c872189e12c7. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:05:45Z), 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/TCACW1788817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4716fe6b619730bb1f8252d51b6a8cbcada380dfd72f76ac9500e4175b468469. 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/TCACW1788819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd94ee96ab819be4bf7f5dc21631e60293e9b4e4760fb31ce8653508c7e239b. 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/TCACW1788827.
The Realest (feat. Jinmenusagi, Takuma the Great, Itto & DJ Taiji Bsc Crew)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd17fc89c1eaa8db4dc889b60eb410f103193dddb36990530270f0aab34d721b. 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/TCADD1740395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf55ebe7188022938bef2642c328a3b62eef68fb8596f9e44d12cdeb79eed7a4b. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/TCADS1886172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x600452107583ffda24635f988c968220ab75679be9c3cba6e613fe3d55b2f4e1. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T08:01:28Z), 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/TCAEI1955938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x394f0f488a1db82b933e57fed8a4a84c415de7a057e5cf526830783f83e8e85e. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:23:02Z), 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/TCAEI1954324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacb8434ea93dc8c247c988dce8ed5a81cb58ccfcd98bfd5f78f473ace10036ee. 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/TCAEK1997319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3699f2d3858ab328aea8f305805bcf35ea2eb2b78bb1d0efea3189ac686beb58. 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/TCAEK1997326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490d4879b728327dd61ccd108d440f37145b0cd14b172e0ca095a9c0580ce553. 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/TCAEK1997353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84bb3fd53f3d138926d040e6de66ba52306190117c1fd26502e222f40243ec3e. 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/TCAEK1997331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00873f29f7072e88b46b90a73c8021294c6bb2a68ee06028626c7e10487155ca. 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/TCAEK1997336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fe31157820f3ac8a8bc19ca77afddb07fe7634a1b57a83b2886907d5dbc573c. 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/TCAEK1997342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15d5fb2e54c80c80e88f363eb8d16d013a83a7395968b7188e794da1646c145e. 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/TCAEK1997348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f560021c414c18130ef85e8d9d71a251343f8965c6104afd9b6934637f79f27. 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/TCAEK1997350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9b1e3044b7b5e5635a0c233322a1dab78194f07395a662f1a01987124751a13. 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/TCAEK1997360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x092391a95b4036897fc5782baa0c60797ef4e77ab61f001e1a54785f5e75c787. 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/TCAEK1997363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc595a30f1acfefcf1acd485c2f31148465471b300738b9a8ab430d7854c89c18. 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/TCAEP2075864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b29c1ae5cbf6664a5791182ea04580526448bf8978d697868ada51b6f92320f. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:34:39Z), 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/TCAEP2075866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5df879a38fcbfacd6e6dec54bbd3abb0cbf9fe31b5de0d3f58e0e12dc7e3d466. 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/TCAEP2075867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08cdebc92edaf3fc9f0eab00124bdf0ce35e8690f000e8b36539b37c740488e7. 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/TCAEP2075871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707812dd5193a843b930c23d152ef7b500729f9118da6655a7177af2fa9c78af. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T11:20:52Z), 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/TCAEP2075872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde776a9583bc46de8c295cb0e47a57a2ec4cf4c3ea4891995618c902ee5c4f7. 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/TCAEP2075873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee474150f40e6d76b676e98e5723c0cba2b8b3c20a41f0ef9191d919e5658cbe. 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/TCAEP2075876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64ad0325ec71a97a74513fbdafa879348a745d7798353930212f8706c2e3a86. 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/TCAHB2364688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd4aad39b2b710c86e39b98b4780c8c23b4925b647a19b1f5e25ea9a7b2f3c70. 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/TCJPP2113871.