Alte Akademie für Alte Musik Berlin
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  date published: 2026-06-21T07:29:20Z
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track: Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): II. Kyrie eleison [Live]
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  by artist: Howard Arman
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    date published: 2020-10-02
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): II. Kyrie eleison [Live]
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track: Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): IIIa. Sequenz. Dies irae [Live]
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): IIIa. Sequenz. Dies irae [Live]
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track: Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): IIIe. Sequenz. Confutatis [Live]
track: Vesperae solennes de confessore, K. 339: V. Laudate Dominum (Live)

Vesperae solennes de confessore, K. 339: V. Laudate Dominum (Live)
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by artist: Bavarian Radio Chorus
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by artist: Howard Arman
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genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:10:46Z
audio: Vesperae solennes de confessore, K. 339: V. Laudate Dominum (Live)
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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

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Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): IIIe. Sequenz. Confutatis [Live]
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by artist: Howard Arman
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genre: classical
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Requiem in D Minor, K. 626 (Completed by H. Arman & F.X. Süssmayr): IIIe. Sequenz. Confutatis [Live]
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