Adagio Quartet
type: MusicGroup
popularity: 9
followers: 180
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff013c2a554ed7ae374c8e80d3ae4f64302436623527f56eb1a3151f3cff8812
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f6aa87c3-d100-4477-8fb3-bfb90a4ebce3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f6aa87c3-d100-4477-8fb3-bfb90a4ebce3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f6aa87c3-d100-4477-8fb3-bfb90a4ebce3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xff013c2a554ed7ae374c8e80d3ae4f64302436623527f56eb1a3151f3cff8812","name":"Adagio Quartet","registered_at":"2026-06-21T15:36:43Z","symbol":"NIM1960298","token_address":"0xe536916ada8b5e93189954641829f7519fd406b1","type":"artist","uuid":"f6aa87c3-d100-4477-8fb3-bfb90a4ebce3"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff013c2a554ed7ae374c8e80d3ae4f64302436623527f56eb1a3151f3cff8812. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6aa87c3-d100-4477-8fb3-bfb90a4ebce3.json and https://artists.proofprofile.net/proofs/artist/f6aa87c3-d100-4477-8fb3-bfb90a4ebce3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xff013c2a554ed7ae374c8e80d3ae4f64302436623527f56eb1a3151f3cff8812","name":"Adagio Quartet","registered_at":"2026-06-21T15:36:43Z","symbol":"NIM1960298","token_address":"0xe536916ada8b5e93189954641829f7519fd406b1","type":"artist","uuid":"f6aa87c3-d100-4477-8fb3-bfb90a4ebce3"}
album: A Taste Of Classical 4
  type: MusicAlbum
  date published: 2009-12-24
album: Spa Classics 2
  type: MusicAlbum
  date published: 2014-08-21
  track: The Nutcracker, Op. 71 14. Pas De Deux
    type: MusicRecording
    duration: PT9M23S
    duration ms: 563266
    explicit: false
    by artist: Adagio Quartet
    in album: Spa Classics 2
      type: MusicAlbum
      date published: 2014-08-21
    isrc code: QMFME1522929
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T06:49:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb2aedd6d413e453f52ffb9e8a2cbdb7dd8ccb544b3336db0bf18d81cf28a5a0f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957671
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957671
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1522929
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T07:35:31Z
    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 0xb2aedd6d413e453f52ffb9e8a2cbdb7dd8ccb544b3336db0bf18d81cf28a5a0f. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/QMFME1522929.
      date published: 2026-07-12T07:35:31Z
    audio: The Nutcracker, Op. 71 14. Pas De Deux
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.205
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.142
      additional property: Energy
        type: PropertyValue
        value: 0.279
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.955
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.879
      additional property: Liveness
        type: PropertyValue
        value: 0.217
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.087
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.472
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Classical Is Sexy The Debussy Sessions
  type: MusicAlbum
  date published: 2019-04-05
  track: Preludes, Book 1, L 117 - La Fille Aux Cheveux De Lin
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137840
    explicit: false
    by artist: Adagio Quartet
    in album: Classical Is Sexy The Debussy Sessions
      type: MusicAlbum
      date published: 2019-04-05
    isrc code: USY251941808
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T20:14:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xacdd1a4c28b2657ba18a48fc7958642ae6f038cdbe5160ce92a54dce23b8e1e1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958060
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958060
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY251941808
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T20:39:42Z
    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 0xacdd1a4c28b2657ba18a48fc7958642ae6f038cdbe5160ce92a54dce23b8e1e1. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USY251941808.
      date published: 2026-07-14T20:39:42Z
    audio: Preludes, Book 1, L 117 - La Fille Aux Cheveux De Lin
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.79
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.415
      additional property: Energy
        type: PropertyValue
        value: 0.021
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.995
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.912
      additional property: Liveness
        type: PropertyValue
        value: 0.088
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Valence (Positivity)
type: PropertyValue
value: 0.15

Loudness (dB)
type: PropertyValue
value: -27.099

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major