Haissmavourk Choir
type: MusicGroup
genre: choral
genre: traditional music
popularity: 9
followers: 264
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additional property: CopyrightChainExplorerURL
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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 0xb5ef0ee02e57a359d522a1484ccfce56bf69a74ba4b26c630e61bea9b4053618. Chain 2 (Bitcoin): anchored in block 953923 (2026-06-16T09:51:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d25eeba-194a-412a-b5ed-6867bc3b01ea.json and https://artists.proofprofile.net/proofs/artist/1d25eeba-194a-412a-b5ed-6867bc3b01ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:51:37Z
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album: The Music of Armenia, Vol. 1: Sacred Choral Music
  type: MusicAlbum
  date published: 1995
  track: Yekyalks - We are gathered
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231120
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    by artist: Haissmavourk Choir
    in album: The Music of Armenia, Vol. 1: Sacred Choral Music
      type: MusicAlbum
      date published: 1995
    genre: choral
    genre: traditional music
    isrc code: DEA749510893
    additional property: CopyrightID
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T02:38:05Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b419437edc605cda5e7921294c375ae3689e70a0eab25d23d147f4869c92cb. Chain 2 (Bitcoin): anchored in block 958351 (2026-07-17T02:38:05Z), 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/DEA749510893.
      date published: 2026-07-17T02:38:05Z
    audio: Yekyalks - We are gathered
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      additional property: Tempo (BPM)
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        value: 56.2
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        type: PropertyValue
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        type: PropertyValue
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      additional property: Danceability
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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        value: G
      additional property: Mode Name
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  track: Yekeghetsin haikakan - The Armenian Church, Hymn of the great entrance
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208080
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    by artist: Haissmavourk Choir
    in album: The Music of Armenia, Vol. 1: Sacred Choral Music
      type: MusicAlbum
      date published: 1995
    genre: choral
    genre: traditional music
    isrc code: DEA749510905
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    additional property: OTSTimestamp
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      value: 2026-07-04T14:03:39Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9883e4b29e73d7a56f8182acf235ee0bfcbe32b1e630c1907d1ce32d954df0f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DEA749510905.
      date published: 2026-07-04T14:03:39Z
    audio: Yekeghetsin haikakan - The Armenian Church, Hymn of the great entrance
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      additional property: Tempo (BPM)
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      additional property: Acousticness
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  track: Chanapar - The way, Hymn for the sunrise office

Valence (Positivity)
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value: 0.036

Loudness (dB)
type: PropertyValue
value: -18.106

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Chanapar - The way, Hymn for the sunrise office
type: MusicRecording
duration: PT1M42S
duration ms: 102240
explicit: false
by artist: Haissmavourk Choir
in album: The Music of Armenia, Vol. 1: Sacred Choral Music
  type: MusicAlbum
  date published: 1995
genre: choral
genre: traditional music
isrc code: DEA749510907
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additional property: CopyrightStatus
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f228308e136d3002a499d0fe0c115fa88bb478586da859614dc41b4d14d5c5a. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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/DEA749510907.
  date published: 2026-07-19T07:37:00Z
audio: Chanapar - The way, Hymn for the sunrise office
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  additional property: Danceability
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