管振陽
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genre: mandopop
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    date published: 2026-07-08T03:20:19Z
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track: 過火
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    date published: 2026-07-08T03:20:19Z
  audio: 過火
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track: 你令我快樂過
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  by artist: 張偉文
  by artist: 管振陽
  in album: 靚聲王X香港流行管弦樂團 張偉文1314好友弦演唱會
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    date published: 2014-08-03
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  audio: 你令我快樂過

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OTSVerifyInstructions
type: PropertyValue
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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfd1a6ebc2ab3f014d1832078d01babc2f53cdbda6fc4ed8ae4d5b8bc6545c25. 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/HKC631406127.
date published: 2026-07-08T08:56:20Z

你令我快樂過
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