Orphei Drängar
type: MusicGroup
genre: choral
genre: swedish ballads
description: Sångsällskapet Orphei Drängar (OD) is a Swedish male voice choir and singing society based in Uppsala, Sweden. While best known for its high quality performances of the classical repertoire, OD sings
popularity: 32
followers: 8030
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subject of: OpenTimestamps Proof of Existence
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album: Tormis: Curse Upon Iron - Works for male choir
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  date published: 2012-08-07
  track: Incantatio maris aestuosi (Incantation for a Stormy Sea)
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    by artist: Orphei Drängar
    by artist: Cecilia Rydinger Alin
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      date published: 2012-08-07
    popularity: 6
    genre: choral
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      date published: 2026-07-08T03:20:19Z
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  track: Raua needmine (Curse Upon Iron)
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    by artist: Gunnar Sundberg
    by artist: Henrik Stolare
    by artist: Orphei Drängar
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      date published: 2012-08-07
    popularity: 5
    genre: choral
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    subject of: OpenTimestamps Proof of Existence
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    audio: Raua needmine (Curse Upon Iron)
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  track: Kaksikpuhendus: I. Uhte laulu tahaks laulda (I'd like to Sing a Song) [Double Dedication]
  track: Kaksikpuhendus: II. Tahed (Stars) [Double Dedication]
album: Od Antiqua (Collector's Classics, Vol. 11 - The Choirs of Sweden)
track: Lux Aurumque
track: Gesang der Geister über den Wassern (C Major), Op. 167/D.714
track: Cantique de Noël (O Holy Night)
track: Ding Dong! Merrily on high

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Kaksikpuhendus: I. Uhte laulu tahaks laulda (I'd like to Sing a Song) [Double Dedication]
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by artist: Veljo Tormis
by artist: Orphei Drängar
by artist: Cecilia Rydinger Alin
in album: Tormis: Curse Upon Iron - Works for male choir
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  date published: 2012-08-07
popularity: 4
genre: choral
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
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Kaksikpuhendus: II. Tahed (Stars) [Double Dedication]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Kaksikpuhendus: II. Tahed (Stars) [Double Dedication]
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Od Antiqua (Collector's Classics, Vol. 11 - The Choirs of Sweden)
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Lux Aurumque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:51:49Z
audio: Lux Aurumque
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Gesang der Geister über den Wassern (C Major), Op. 167/D.714
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1210c2dbe2d15b0e453ae6660db5711ed20d2e02812cba521e696859fa3fc5e2. 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/SEAEK0033150.
  date published: 2026-07-08T03:20:19Z
audio: Gesang der Geister über den Wassern (C Major), Op. 167/D.714
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.908
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.103
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.039
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.293
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cantique de Noël (O Holy Night)
type: MusicRecording
duration: PT4M24S
duration ms: 264522
explicit: false
by artist: Adolphe Adam
by artist: Robert Sund
by artist: Peter Mattei
by artist: Orphei Drängar
in album: Top 50 Classical Christmas
  type: MusicAlbum
  date published: 2013-11-19
popularity: 3
isrc code: SEWDL9744321
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T05:19:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65b9a4da517d3da3111214a3e6a81ac95fa75001d414d895fd0616c9a4d8d0c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9744321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b9a4da517d3da3111214a3e6a81ac95fa75001d414d895fd0616c9a4d8d0c7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/SEWDL9744321.
  date published: 2026-07-02T03:55:08Z
audio: Cantique de Noël (O Holy Night)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.997
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.094
  additional property: Energy
    type: PropertyValue
    value: 0.289
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.741
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.659
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ding Dong! Merrily on high
type: MusicRecording
duration: PT2M11S
duration ms: 131555
explicit: false
by artist: George Ratcliffe Woodward
by artist: Robert Sund
by artist: Orphei Drängar
in album: Top 50 Classical Christmas
  type: MusicAlbum
  date published: 2013-11-19
popularity: 1
isrc code: SEWDL9744318
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:23:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x070ce034e12e468b175ab4b336e3cce19e1db8ecfe238871d69ad2f4ef3ef9bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9744318
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x070ce034e12e468b175ab4b336e3cce19e1db8ecfe238871d69ad2f4ef3ef9bb. 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/SEWDL9744318.
  date published: 2026-07-08T03:20:19Z
audio: Ding Dong! Merrily on high
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.538
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.47
  additional property: Energy
    type: PropertyValue
    value: 0.478
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.338
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.461
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major