Bamberg Quartet
type: MusicGroup
genre: chamber music
popularity: 2
followers: 83
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3935a635771781a5ff1411af05bed34492375db0b041a60d804caefdca10a1c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6315d0b7-886d-4d26-96f0-16f6d79a11d6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6315d0b7-886d-4d26-96f0-16f6d79a11d6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6315d0b7-886d-4d26-96f0-16f6d79a11d6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb3935a635771781a5ff1411af05bed34492375db0b041a60d804caefdca10a1c","name":"Bamberg Quartet","registered_at":"2026-06-17T00:04:54Z","symbol":"NIM1218233","token_address":"0x423a336dfa1e08c667dead408e0b05183b192063","type":"artist","uuid":"6315d0b7-886d-4d26-96f0-16f6d79a11d6"}
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 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 0xb3935a635771781a5ff1411af05bed34492375db0b041a60d804caefdca10a1c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6315d0b7-886d-4d26-96f0-16f6d79a11d6.json and https://artists.proofprofile.net/proofs/artist/6315d0b7-886d-4d26-96f0-16f6d79a11d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xb3935a635771781a5ff1411af05bed34492375db0b041a60d804caefdca10a1c","name":"Bamberg Quartet","registered_at":"2026-06-17T00:04:54Z","symbol":"NIM1218233","token_address":"0x423a336dfa1e08c667dead408e0b05183b192063","type":"artist","uuid":"6315d0b7-886d-4d26-96f0-16f6d79a11d6"}
album: Haydn: String Quartet in F major, Op. 3/5 Hob.III:17
  type: MusicAlbum
  date published: 2010-05-17
album: Haydn: String Quartet 'Lark' in D major, Op. 64/5 Hob.III:63
  type: MusicAlbum
  date published: 2010-05-17
album: Beethoven: String Quartet No. 3 in D major, Op.18/3
  type: MusicAlbum
  date published: 2010-05-17
track: String Quartet No. 5 in F Major, Op. 3 'Serenade': II. Andante cantabile
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234393
  explicit: false
  by artist: Joseph Haydn
  by artist: Alexander von Pitamic
  by artist: Bamberg Quartet
  in album: Classic Lullabies
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USSJ10813810
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T13:20:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x91867df4f183e3f06a596f6981cf382baa87f378ede3f114364435a08ae3cac9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 960410
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960410
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813810
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T13:50:38Z
  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 0x91867df4f183e3f06a596f6981cf382baa87f378ede3f114364435a08ae3cac9. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/USSJ10813810.
    date published: 2026-07-31T13:50:38Z
  audio: String Quartet No. 5 in F Major, Op. 3 'Serenade': II. Andante cantabile
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.083
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.21
    additional property: Energy
      type: PropertyValue
      value: 0.023
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.764
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.248
    additional property: Loudness (dB)
      type: PropertyValue
      value: -32.197
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major