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 0x81137778a01e425b74705cdbcf373f53470655bd3d75cfd447e6618ecd88de94. 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/6d8a02ba-014a-43f2-9191-f6312129ea94.json and https://artists.proofprofile.net/proofs/artist/6d8a02ba-014a-43f2-9191-f6312129ea94.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
聞き飽きちゃうくらいの愛を伝えて欲しいの
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 0x6628453ea09592d2230c59e9bd8b98150e0d9b7c865ab116770a15ccf717ef65. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JPPO01806718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82760078a811ca33db93bfbd219285a7300f4103d27a9cbfca162e2d05118d08. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPPO01806720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb6914cc9d73e4fe5eaaf96d450698395e6b17a7c4c71b1008cedba77af5ac6. 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/JPPO01903461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3469fb5685c348527f5a57780cd6286770b39d3c771c20f9a1e831cc7a60c2a0. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:36:27Z), 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/JPPO01903462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe81a81e481d7806f128d5e06a0d2e6957b888df2dc9b1eec5f0d3b7d906a3088. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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/JPPO01903463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09df5e1f24047dc5877e3d1cbf1f12f8ae2c0cfe14e2cffa27d9884c452fc3a. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/JPPO01903464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6502a674cc13c6d987654206ed1caccddb2ba9a6eba2af8b67c7642bfebbc1. 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/JPPO01904835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad72ed75ed49801f7b6c23c4af54e34820f91dc0c795e8a4279636db0d32b1b1. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/JPPO02002654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dbc9012e69923fc000afd8eda19146fde80d1e218a1e8b78c66cf22c35e8b52. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPPO02002653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8701449588d1ae95b8900871ca74b9732ca4928f62de32891f82b8532d07c82a. 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/JPPO02002657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8785a68be2655536808d8ed0523abbcc6554da1af0cd05753b4758e87213712f. 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/JPPO02100260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c859f85758003a82fc210e54edd57bad34b25ba2e311e26e97366c200e77e96. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/JPPO02101155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad72ed75ed49801f7b6c23c4af54e34820f91dc0c795e8a4279636db0d32b1b1. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/JPPO02002654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c0e85e0654b4e510c5e77f1c6d2de9c3c208e9ec62a8e84c8b606651fd4d68. 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/JPPO02000458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa673d09d8974296738bc56ce373d05f0c637be7fb0190c6144b1c2960e9ff4ef. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/JPU901902321.