Thies Roorda
type: MusicGroup
genre: chamber music
popularity: 2
followers: 65
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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 0x34071a5bb0d86137f85f1b7ab8f23064728c5fa396bacf2f39e947980fdb1eac. Chain 2 (Bitcoin): anchored in block 954069 (2026-06-17T08:30:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a8745ac-168c-4bb7-9432-5badbde3ad56.json and https://artists.proofprofile.net/proofs/artist/7a8745ac-168c-4bb7-9432-5badbde3ad56.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:30:25Z
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album: Françaix: Chamber Music
  type: MusicAlbum
  date published: 2021-06-25
album: Flute Music from the Harlequin Years
  type: MusicAlbum
  date published: 2019-06-14
album: Widor: Complete Works for Woodwind
  type: MusicAlbum
  date published: 2017-09-08
album: Karg-Elert: Complete Works for Flute
  type: MusicAlbum
  date published: 2014-05-27
  track: Sinfonische Kanzone, Op. 114
album: Karg-Elert: Complete Works for Flute
  type: MusicAlbum
  date published: 2014-05-27
album: Flute Music from the Harlequin Years
  type: MusicAlbum
  date published: 2019-06-14
album: Widor: Complete Works for Woodwind
  type: MusicAlbum
  date published: 2017-09-08

Sinfonische Kanzone, Op. 114
type: MusicRecording
duration: PT9M3S
duration ms: 543333
explicit: false
by artist: Sigfrid Karg-Elert
by artist: Thies Roorda
by artist: Nata Tsvereli
in album: Karg-Elert: Complete Works for Flute
  type: MusicAlbum
  date published: 2014-05-27
genre: gregorian-chant
isrc code: HKI191336307
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additional property: OTSVerificationAPI
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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
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5213757d604455aea4b0d8bf2c7576009738984a2ed89cdc29954b9a2db53543. 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/HKI191336307.
  date published: 2026-07-08T08:56:20Z
audio: Sinfonische Kanzone, Op. 114
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Key Name
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