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 0x67984e5d65f0c55d9f579a2e7d5239181bf1eafa5aeffe645cbc3e339d17aa4f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/61e66a35-2883-4095-8136-c5b9e9b9fd95.json and https://artists.proofprofile.net/proofs/artist/61e66a35-2883-4095-8136-c5b9e9b9fd95.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
新海誠作品イメージアルバム プロミス
Till Fate Writes My Epitaph -SIEGFRIED’S theme
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 0xfe6854af7c858a7cb9a27c002946d6f76c434ea200ee78e58c7ccdc55fc546c5. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/JPX832005987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499d635de4bf413b5bea635f8917fcee08d3f05aa14ea40ea4c50c7902f6bfec. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/JPX832005989.
Tread Ye the Path of Bravery -YOSHIMITSU’S theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2a36807ec449f0770ebcdf8fec4bf6499094bb91c0b53092c168455eba15f45. 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/JPX832005991.
Faster Than a Howling Wind -NATSU’S theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d1508cd5453fa2e48ff1b7569478e6b53e6142ea46009c15f0a9d3e96da6c9. 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/JPX832005993.
Without the Blessing of Fate -IVY’S theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70614178dcfff42b06942843c2cd483d3ccdf04ce810d95ecd8d121231bbc62f. 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/JPX832005996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11c15c6f1f61b0cf9f2ce904771154278ee4b8a6ffb8519e41c3dced9065dea. 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/JPX832005997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6d7a5ad0520e97e5911c2dfe216abc25cb8bedf6c90876d6a1b99bc7875f2e2. 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/JPX832005998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc039b2d0eb91b917df510ffb501609ceb77f76f6bfa905d6b41c8b35a3f5c145. 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/JPX832006001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ebf18066c506ca9c77eb327fff177700d67aae6e0ac96b487b6882fc544c58. 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/JPX832006002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88215fdc3268c2ad971560592f11df85deb1adcf70f44de3fd255eeda7ec3aa. 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/JPX832006005.
Samsara: The Wheel of Eternity -KILL'S theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd45030a946433d0867daa1aa1b0b7529aa1140079234e1284df0ddb85bd12393. 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/JPX832006006.
Through the Jaws of Death -STORY BATTLE theme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d37e29daf318feb0337ecef82c4e73ee49db1f062eede9bf9a26224981d1fc0. 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/JPX832006009.
Dance of the Oracle -VIOLA'S theme - Quick Battle Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82dfbcadc753352c2396831d148952fd38e730c2973438954b5edd4541375b02. 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/JPX832006013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0d657d4d62f4a524a2f5e83c2f8019904fe0fc7d954023195b220dcc7e2b20. 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/JPX832006014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cedbf3892bf613582e2e2a67d32f3386a50d33738a5d65995c6aaeb26516bee. 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/JPX832006015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25e9035e2d7c2b97660a8427214698587f8411b87a4bf5d6e724b254f9834f7. 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/JPX832006016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35fdee5dfb4d539817c6040374997cc81ef6d0513ced7a3c72a9f663f2a957a6. 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/JPX832006017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44956ce5e1d338d125d8d1587589fd45a2e6d38405d52157e8d7430157aa372c. 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/JPX832006024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d4e96ed761acb45fcc3ce491f053ee077b568853a8b1b195000f28cac48894. 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/JPX832006032.