1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x87984f313a34c0079090bfe5df6c04d33d12c524863f94514b73f18e16e57c83. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e7d3ff48-1f47-4489-b7ec-b3d9eb7bee03.json and https://artists.proofprofile.net/proofs/artist/e7d3ff48-1f47-4489-b7ec-b3d9eb7bee03.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
サクラサク - エトセトラバージョン
雨上がりの朝 - エトセトラバージョン
旅立ちの歌 - エトセトラバージョン
笑顔で挨拶 - エトセトラバージョン
いかないでかな - エトセトラバージョン
クラシカル, Vol. 100 -Instrumental BGM- by Audiostock
POPS Vol.122 -Instrumental BGM- by Audiostock
和風のリラックスBGM -箏や尺八、三味線などの生演奏-
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 → block OTSBitcoinBlock must exist at that height 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 0x5e5090ee603dde0c8813d7fff6d1059206bc3f7317eb8ab7a28470a2110cd64c. 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/JPW791900018.
雄大な自然を感じるオリエンタルミュージックBGM
Slow Jazz, Vol. 14 -Instrumental BGM- by Audiostock
大河ドラマ風オリジナルサウンドトラック -日本の歴史文化、和風BGM-