David Wikander
type: MusicGroup
description: thumb| David Wikander (21 July 1884 – 15 November 1955), was a Swedish musicologist, organist and composer. Born in Säfsnäs parish in Dalarna, Wikander was organist at Stockholm's Storkyrkan.Musical
popularity: 15
followers: 70
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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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  date published: 2026-06-14T22:00:24Z
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track: Kung Liljekonvalje
track: Förvårskväll
track: Kung Liljekonvalje av dungen

Kung Liljekonvalje
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duration: PT3M33S
duration ms: 213746
explicit: false
by artist: David Wikander
by artist: Eric Ericson
in album: North
  type: MusicAlbum
  date published: 2005-11-29
isrc code: FRZ130500670
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c72de1c8290c2e1c32203e5b00a289f8c7d56511fd5bd928f18bcd7a3e4dbb1. 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/FRZ130500670.
  date published: 2026-07-08T03:20:19Z
audio: Kung Liljekonvalje
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: G
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Kung Liljekonvalje
type: MusicRecording
duration: PT3M39S
duration ms: 219053
explicit: false
by artist: David Wikander
by artist: Swedish Radio Choir
by artist: Peter Dijkstra
in album: Nordic Sounds 2
  type: MusicAlbum
  date published: 2012-01-01
isrc code: NLA460912076
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5baca681702d46a96bffd715a3f70e87e8145ec476088f8680c909e1644636. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLA460912076.
  date published: 2026-07-02T11:38:34Z
audio: Kung Liljekonvalje
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Förvårskväll
type: MusicRecording
duration: PT4M58S
duration ms: 298026
explicit: false
by artist: David Wikander
by artist: Swedish Radio Choir
by artist: Peter Dijkstra
in album: Nordic Sounds 2
  type: MusicAlbum
  date published: 2012-01-01
isrc code: NLA460912077
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a007431eb420804e9aa03f2b49aab187b3414e5f9d766f6a5a5c4380185773. 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/NLA460912077.
  date published: 2026-07-08T08:56:20Z
audio: Förvårskväll
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Kung Liljekonvalje av dungen
type: MusicRecording
duration: PT3M53S
duration ms: 233093
explicit: false
by artist: David Wikander
by artist: Örebro Chamber Choir
by artist: Fred Sjoberg
in album: Vårfavoriter - Sånger om våren och kärleken
  type: MusicAlbum
  date published: 2010-03-24
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc078fbb8f235164cfae857105ff852e25444d3b87ef38273d57e9e675f813f7. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/HKI199325518.
  date published: 2026-07-29T21:57:12Z
audio: Kung Liljekonvalje av dungen
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  additional property: Instrumentalness
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  additional property: Key Name
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    value: G
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isrc code: HKI199325518
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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 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