is a city in Aichi Prefecture, Japan. , the city had an estimated population of 57,872 in 24,872 households,Tokoname City official statistics and a population density of 1,035 persons per km2. The
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 0x759af6b2f511618ba0e93f97b6007766696c3b3cdbf747b0797986c77a2c67ee. 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/f766b43f-027f-470e-8ec4-81c72b8aee86.json and https://artists.proofprofile.net/proofs/artist/f766b43f-027f-470e-8ec4-81c72b8aee86.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 0x8fd32309ca5fa50510d13ee4c9b2943cac69928b56307ff44844fd82478e0c29. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T19:02:52Z), 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/USHM22073380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1658ed73598fce4716dc044a54fd7f88d4c68b45e36363b7152c5297bbc863. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USHM22166257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642ec68276701ca78c9aa72a379e573810265b7441d9af2577cd84279699695a. 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/USDY42235351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a422ccc7fd9211cffb49afff706c96175f0f974c696f1ead874eb53f5c2cc5b. 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/USHM22247050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2435b3ad9739bff51d51327ce8b275236517f920f82ddb9aecd506827c5479de. 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/USHM92202818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811cd452bf6818c3002228b3930a387831baeee7f441856a259c045d03ccc01a. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), 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/USDY42327983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9f53f6261cb0f93074b81fe17cc012823d71ab78434b54a57ea13f401ac99ab. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USHM82313063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a96cabd39d90f634a7956cfd27b3a605c543826b200ba3dca2514af7ffbb1f. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USMH92341457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0791e61ec6cf217337ebe786fc02e8199cdcf514e74f39a9ca364d5063b1867a. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:33:00Z), 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/USL4Q2312323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4da0ad0a27ea744666ce60229d291d97b574e9d28ee60df0d8c3d12c5369d8. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/USL4Q2312328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13bed456e69fc83f5e93b7a79bcefd44684956c9a902406f483fb7e19ebe1e0a. 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/USHM82552533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb005f2bc3b03a80555d16573c8b0e3b304bf3bb2561887345816284abe74c945. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USHM92513756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2d963195dcf5aa37150853f9b390d500d2c8edb02c7a5297da43f0c95dbef9f. 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/USDY42235359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd5c3a697ed41265887d58ba8a0ed740e8507826f394bdd393badf787f1dd41. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USDY42266081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c4f556819fdc650818931c614ab5b21db6a23354e572784fa3565edac8dd9b. 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/USDY42259916.