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 0xd5abde6e2b0e7e4014227ce6b03aea86a47135ad9274c0a31e92c6f630ff1ab8. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/442c7ceb-b27f-48d0-962c-4253d58243d2.json and https://artists.proofprofile.net/proofs/artist/442c7ceb-b27f-48d0-962c-4253d58243d2.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 0x7d2d17543c931cb8a05c94ba2c56a32e1fc3b10339cb222f7f3dae3ba4c7a12c. 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/JPVI01007340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6b9d731705f0b855d475fbb33cc3d46f0282da82c3b8dfeb2c5917604c34b64. 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/JPVI01015890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x870dc1384c835a4aa759506f8978b2d7f86aa309a1cb88e1d8b00b0e00099d53. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/JPVI00938280.
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 0xc659aa612f20c70865f0a60a6fcd2e1646ac48520420af7c02fabd92b03cd732. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/JPVI01214020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde89463f4fa8f748efe4a527ccd521acc58e57754b06e2b026c4397ae214727e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPVI01113980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87512f35a3305574c2a7f688212fcc3c6ba2ac31c2ecf37c3e8e0a24084eeea5. 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/JPVI01214030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cdb510a70eb819159d71efdb6b2e7316f8f73020ba82384e6bb915a00f5aba6. 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/JPVI01214060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e3d42b942f6cd8fc59a7a69f06d4b31af189bf781adbaf95f438ab67c03ad32. 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/JPVI01124220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c490ffd952504dfc26195408956790665e923ae7285a08841a9d53960a42915. 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/JPVI01122020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0662ab1a16e73fdac1c53992080520c848535c35e21291a51b59aacac44725. 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/JPVI01214080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18ac3c10d1766398443c4ebe83f974e95145f98e129609a0559d751b6b1e6579. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/JPVI01212230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d93beb706ce62a82620542c55274383412f8a32d8658ca039ce7b3ed9fe188. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/JPVI01214040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x239066eb45927e79602c904fa99463f7b36acf7f0b302ba07b290eda3d23c11b. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/JPVI01017890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5501d441b5001ad64f49f5f141bb5c3440d3198718258578948724a041a65f. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/JPVI01027410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ce11fb4274b41e0fb4cd7441afd659f5da644d2ca950ab99935d378ef57d60. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/JPVI01214070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede8204e2a3fbff674361ea46edb45d2b9700e3a8bef4046bf496a8a1ee5e5d0. 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/JPZ922204743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86e9badca316a6ca39843ed307326af47c8a03b8f5dfcbb785bd2dcae795ade1. 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/JPZ922204721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd594af1ccef26a0068159cd18ea2bfbebf8430c953276548f0a283b5355214. 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/JPZ922013159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64e6550213328b6a8be449704df4eb7c38d626bdc8cf6a29b5969fc3c9d78599. 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/JPZ921609083.
WE CAN FEEL IT ALL OVER feat. 傳田真央 ～tropical mix～