Die Wiener Sängerknaben Conducted By Xaver Meyer
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popularity: 4
followers: 82
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a7078dfce9072952630f5dbc510a91e8456cc39ab9fe2344a91b3d026694ebe. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8f879b4-936e-443c-afc9-1bafac6cd737.json and https://artists.proofprofile.net/proofs/artist/b8f879b4-936e-443c-afc9-1bafac6cd737.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: Magic Christmas Carols (Original Recordings)
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  date published: 2017-12-01
  track: Stille Nacht, Heilige Nacht
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    by artist: Die Wiener Sängerknaben Conducted By Xaver Meyer
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      date published: 2017-12-01
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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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af9a2bf45160295f3417c4459fc7f6a01a3fe80ce2fd333e68adedb823c8f64. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBURZ1602229.
      date published: 2026-07-08T03:53:27Z
    audio: Stille Nacht, Heilige Nacht
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      additional property: Valence (Positivity)
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      additional property: Key Name
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track: Stille Nacht, Heilige Nacht
  type: MusicRecording
  duration: PT3M56S
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  by artist: Vienna Boys' Choir
  by artist: Die Wiener Sängerknaben Conducted By Xaver Meyer
  in album: Delicious Christmas
    type: MusicAlbum
    date published: 2016-10-14
  genre: children-s-choir
  genre: austrian-choir
  genre: choral
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  additional property: OTSTimestamp
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  additional property: 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af9a2bf45160295f3417c4459fc7f6a01a3fe80ce2fd333e68adedb823c8f64. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBURZ1602229.
    date published: 2026-07-08T03:20:19Z
  audio: Stille Nacht, Heilige Nacht
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    additional property: Valence (Positivity)
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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