無伴奏チェロ組曲 第３番 ハ長調 BWV.1009／6. ジーグ（『ブラックバード 家族が家族であるうちに』より）
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by artist: クラウス・ペーター・ハン
in album: シネマ・クラシックス 2021 Vol.2
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  date published: 2024-12-26
popularity: 4
isrc code: DEA580600584
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0f551c8aa24de0038f704d4742bb0d4c46d659c8f735a96879538e2eacd05e3. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/DEA580600584.
  date published: 2026-07-31T05:17:02Z
audio: 無伴奏チェロ組曲 第３番 ハ長調 BWV.1009／6. ジーグ（『ブラックバード 家族が家族であるうちに』より）
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