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 0xa9ae6fbe64ba98ab4aa85fafe85179e365d686dd124e6d1f48943a491dd2e19c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/211f91c5-7cb1-49f9-a290-ab6a70774847.json and https://artists.proofprofile.net/proofs/artist/211f91c5-7cb1-49f9-a290-ab6a70774847.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 0x8e2f5731c225f34728049850e84681263f70ad29eb2753c0736e7fa9b5371333. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZFZ32369448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3de830e4a0a1003ab6808847ef8ea6e9e538bd7a16f25d350ce6db585fc6163. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZFZ32369449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c6ddf6846c5e24e82f91ac438efb5b73c4f738c2af08d3b9c1fb5de2135ab8a. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZFZ32369451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9fa4989e1b744316fcf99ff0e90248fc34f699cb86a98a2dde97008595ab8a6. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZFZ32369453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfd3a6d316a8673fa5bdaf167487c0786b9d893fd73c30dd71323c900776248. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:01:06Z), 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/QZFZ32369454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b788fac346b6c45afa5c4ffc0009f7f57b2865c858bbefb790f0e142a04d60. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZFZ32369455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707f47f233b828ac6c9147c7cd32b15a6ee3dc3c9a73927840e6d295bde627a6. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/QZFZ32369456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05374974e1a5a4ca48ce965ef658d85f9b902a870a5ece992e1a109fa0b8aae. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZFZ32369458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e9f854d07ed0376a892d2c704df948fa531dd1628b592e0be09542450625d5f. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZFZ32369460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe679e4bebc801da279a25cf4b3839a0235b00661aecfbe94d4a717f4f19d07e0. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZDA62346951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4d192c14f5f1867bc73959324bd333065bee8542f7f6f77054a4a6c4e5dd3a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA62346952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd826cbf7860a94e271c8eb82bed7b38c2686f7dc6653a110b2658a544a3c39ae. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZDA62346953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096e48d4c23bee01f53a9036f3afb0ac6daea71e7d5c409ca7061e7f9c20d249. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZDA62346954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4de2d1ca136fb06aba82abb854b8a0ceaa8b6de5331a1286b674dc908224cbce. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZDA62346956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbd4a67e706f7502a38ba328c780af4bb0dd531d2420786d5ff377424a98a0c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA62346957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe149a36e737dc9fb5605a08b60220d5ea8e71e42443fcc441c17ea9f8fbf46. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZDA62346959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf2bc7e51339b5ffb7d0ecc02c0d61a2469ef2be4731e153b9fb1e0165d7ca3. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZDA62346962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18568493067be20ccfaeebb2b35a85937228e90132074af55d0a4e87018e934c. 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/QZPJ32274618.
Sinnoh Route 201 (Pokémon Diamond & Pearl)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2378e7e046480fe9cf840a2c63ce382c7167e53df063d308d1136a69c933a8a1. 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/QZPJ32274620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1315377b607ae4a2e338514225ae9628c2b116977994a6e045f1abbb0f03a5b2. 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/QZPJ32274621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f859dae7a450967a6090229e4dfa1a7bdcd510fa00a9c7b4e57e6f0e7f5d29e. 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/QZPJ32274622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01849163fa5c0557826ac5fbea42bedf61b2071842ab56bd1ad1ef3676d0ef8. 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/QZPJ32274623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bc2e997ad634742216246d22662e3934d9d965dd25ee694c96594261beeadb4. 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/QZPJ32274624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x300298fceece491f0615a43ed0f310393e5b1487c2b51e94b7a0bd74d23cd302. 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/QZPJ32274628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e82a67ff96025198c21d153045b6ba94ef7a447e519892e25965436ff21ba56. 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/QZPJ32274629.
Littleroot Town (Pokémon Ruby & Sapphire)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e66f811a6b476b9047e8d9939b507871d082c879872dbe1ad1a402cac4001f7. 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/QZPJ32274632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x089215c60d5528b94bf7ddcb4c130fa2ea6b665d3f1574f45d06f4c550174298. 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/QZPJ32274635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x757a2fe7876a7c01816e05041322341b92ce36d2fe49ad479dc43842a045f499. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZPJ32274625.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b729abb4c5969f63a2986499ab6a37c7ef5eb3a9895bc5ed43411a8de5be36. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/QZPJ32274626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd70499ec4dc922302a69ece933de7746343fb3f636db9cc959a73fa550c0be49. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/QZPJ32274630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33401f1cdacd05b5b3aaa5965baa8114504d3541b5c3f6ecdcec677c75202dd3. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T18:01:14Z), 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/QZPJ32274634.
Fight Against Monsters (From "Super Mario RPG")
Pipe-Rock Plateau (from Super Mario Bros. Wonder)