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 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 0x8d5a02efacd216847c73dee576b4d7fcb0e720294dde1a93d6ea742b7c191803. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a04e50fd-6412-44fb-85ae-641693f7c7a5.json and https://artists.proofprofile.net/proofs/artist/a04e50fd-6412-44fb-85ae-641693f7c7a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
子供が眠りにつくディズニー・オルゴール
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 0x847ea69e2a05dbb34a2dbd2d6274b481fa48ab26cad2fdd410a1f47b2636e8b6. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/JPU362170301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644d8c26da8085ca44b513d4c2ce64427e2d65adc6bb7c633f9284d7e0dc6e0d. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/JPU362170304.
子供が眠りにつくジブリ・オルゴール
Classical Music Lullaby -Music Box for Sleeping-
The Planets Op.32 Jupiter,The Bringer of Jollity
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c3dfd22ac261727618a6fe8c8487b2a04f68d5f0b1b9b82d7c5565227a2d0b. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/JPU362270515.
眠りのためのクラシック・オルゴール
Twelve Variations on "Ah vous dirai-je, Maman"
眠りのためのモーツァルト・オルゴール
切ない気持ちに寄り添う ’90年代J-Popオルゴール
前向きな気持ちが伝わってくる ’90年代～2000年代 J-Popオルゴール
Music For Floating Through Celestial Garden Dreams