1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xeb2c1eee857cc99fd488db3111563dcae01270b79b32a156127df6623606ec17. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/562739dc-ec08-4861-b4a2-7cdb9c9416f9.json and https://artists.proofprofile.net/proofs/artist/562739dc-ec08-4861-b4a2-7cdb9c9416f9.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 → block OTSBitcoinBlock must exist at that height 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 0x3a0e3bb2a719ed417bd70b1abf078e3b0f8b254c7aa6e73f8f027f56a1f3c095. 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/BR0AX2300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eb7f7e480170465358e90af9ea25c8192c62b3a96d5f8b12059ce279ad93758. 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/DEBE72400153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1246a346905497a1fe30197ed82239df3f9e6ccd26be97be4daed21879d52b0. 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/GBKQU2363067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x416942d4f463b274dbc554c77fc09cce2c8bdc352b025da83a1f158486714020. 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/GBKQU2363068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4aa0a937038ad479738a35d07e35c3aa933e23e911d4e7b500b78b722cab84a. 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/GBKQU2363069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb167ee038fe9370146281fa01007d69a7caaa45dea66c5033c73d8d4c5862d42. 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/FRPHR2200050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40e1ace868f39f8dcd7312a2ebc272b214a9ff0cc3d8da3e29985a9416c2e29a. 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/FRPHR2200080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x177098169f103de751b6217652c147ca1fef96ce403f3b784e98d76345b32f41. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/FR7Z22200017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf0aa5d8a2ddde7dd4cbf13c3103dcda764ea3ef6acddce69430b832c5c44859. 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/FRPHR2200100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3cfa566ab01046c9cfd8bde5131ec51548fe776e5eb56f2526c873906bc8bbe. 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/FRPHR2200110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda41e763732a0eb6787684230e97a5da4ca7c9b9c7935098e8ce17a45ef4cae. 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/FRPHR2200180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde224176bc43457d42067329a9c06f72c7357ff63ca5143623819218eef65540. 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/BEN812100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c00496553395f611a4deb35b63e187bc800cc019af25a6723a3a96cb9fece0. 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/GBKQU2209335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf603a318a8b2ca0687dd5664ddae8c50ebec36886a28fa81d8a10f023397321a. 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/GBKQU2209337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8173c6bd154d718b9ca29ccd63e703bfaf680c21ca56198548153b134a65caa8. 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/GBKQU2209338.
Reason of My Life - Daisuke Miyamoto Remix