thumb|upright|Amaterasu, one of the central kami in the Shinto faith are the deities, divinities, spirits, mythological, spiritual, or natural phenomena that are venerated in the traditional Shinto
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 0xe9787f5eebf347f02442bc0b3a4d8c10e9dc1eab5074d2e6c46241555d3b987c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6382b20d-bcbb-42c9-8a66-ae5fa8894ba3.json and https://artists.proofprofile.net/proofs/artist/6382b20d-bcbb-42c9-8a66-ae5fa8894ba3.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 0x6963bf71c4ec704b15d9ba68b5bfc2c2e2948ba4d238c8d6ad2918345e935ec2. 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/QZMZ92542739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8031171ee2740e20d526c591d4441dbcbd01cc074ac03f19246d53734c5a37a. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/QZMZ92542734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcd1a03ea8ccea99aad6cd79b6efcf306c4c35249152b644a7029179df2a346. 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/QZMZ92542737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18730c6f429fa054e619b906c8f1b39d230a3a2fd7ec6543627e6aa7258f7b62. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:21:27Z), 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/QZMZ92542730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x190b49b735e650f070bc3a2a653938b6108e01c8d9aee0b69e3cbe4d76a9c8b1. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZNJV2516705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0900618624fb864b7d5d6f23e8ac19d0f05b7839e4612e9f39dffb0833b80476. 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/QZMZ92542717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2f82dd3b477b916eb6cd17f42d2669f3cbe2e7dc1d710b9d91d1a2fc9041cb. 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/QZMZ92542710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b72c8463fcbafd5902d73a5efd8f996035c4de4962730eb710584d84b13f4f. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/QZMZ92542751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4367b4377f35f0b8935361b7083514300df84ca0a5567cec623e4cbdf714fffd. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:54:33Z), 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/QZNJV2516405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x139a0faeaad799c383305e95b52eef85514b2c4856f934f1716c6095a1154544. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QZNJZ2580347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f657ee7a1e8c2a026181002b94de246b472180a7e3298103d4938bdf088bb5. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZNJZ2580348.