Classical Essentials
type: MusicGroup
genre: classical piano
popularity: 4
followers: 551
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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 0x17958bced57597bbcea6afa094b0c1936f0a3cc591f64dc541caa6a702e245de. Chain 2 (Bitcoin): anchored in block 953936 (2026-06-16T11:24:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20391f50-dfa3-40d7-bc6e-d93be65e0fdd.json and https://artists.proofprofile.net/proofs/artist/20391f50-dfa3-40d7-bc6e-d93be65e0fdd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T11:24:55Z
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album: Classical Essentials
  type: MusicAlbum
  date published: 2015-04-15
  track: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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      date published: 2015-04-15
    genre: classical piano
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda11d3565df1f575ec4f89d3b2ebb0c7adedbe3de6f5e64ebbad2931bc56d7b5. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBPS81500440.
      date published: 2026-07-04T11:19:20Z
    audio: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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  track: Pavane in F-Sharp Minor, Op. 50
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      date published: 2015-04-15
    genre: classical piano
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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
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      date published: 2026-07-05T01:12:41Z
    audio: Pavane in F-Sharp Minor, Op. 50
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  track: Gabriel's Oboe
  track: The Portrait
  track: River Flows in You
  track: Nefeli
  track: Ambre
  track: Peer Gynt Suite No. 1, Op. 46: III. Anitra's Dance
  track: Time
  track: Greensleeves
  track: Sixteen Waltzes, Op. 39 No. 15 in A-Flat Major
  track: 24 Preludes, Op. 28 No. 4 in E Minor
  track: Gnossiennes: No. 3 - Lent
  track: Nuvole Bianche
album: Essential Peaceful Piano
album: Classical Lullabies for Babies
album: Classical Piano Essentials
album: The Classical Essentials
album: Essential Piano Music
album: Essential Classical Pianos
album: Classical Piano
album: Classical Essential Soothers
album: Elegant Classical Playlist
album: Gentle Journeys
album: Classical Essential Calmers
album: Elegant Strings
album: Graceful Piano Classics
album: Ripple on a Dream
album: Slowed by Light
album: Harmonic Horizons
album: String Resonance
album: Stillness Studies

Loudness (dB)
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value: -16.201

Key Name
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value: F#

Mode Name
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Gabriel's Oboe
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duration: PT3M42S
duration ms: 222378
explicit: false
by artist: Classical Essentials
in album: Classical Essentials
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  date published: 2015-04-15
genre: classical piano
isrc code: GBPS81516879
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T23:11:57Z
audio: Gabriel's Oboe
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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The Portrait
type: MusicRecording
duration: PT4M52S
duration ms: 292130
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by artist: Classical Essentials
in album: Classical Essentials
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  date published: 2015-04-15
genre: classical piano
isrc code: GBPS81400022
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T22:59:44Z
audio: The Portrait
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  additional property: Danceability
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River Flows in You
type: MusicRecording
duration: PT2M51S
duration ms: 171688
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by artist: Classical Essentials
in album: Classical Essentials
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  date published: 2015-04-15
genre: classical piano
isrc code: US6R21419985
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-05T01:12:41Z
audio: River Flows in You
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Nefeli
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duration: PT4M30S
duration ms: 270053
explicit: false
by artist: Classical Essentials
in album: Classical Essentials
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  date published: 2015-04-15
genre: classical piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-20T05:47:17Z
audio: Nefeli
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Ambre
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T10:59:37Z
audio: Ambre
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Peer Gynt Suite No. 1, Op. 46: III. Anitra's Dance
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additional property: OTSVerificationAPI
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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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  date published: 2026-07-05T19:27:56Z
audio: Peer Gynt Suite No. 1, Op. 46: III. Anitra's Dance
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Time
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T19:27:56Z
audio: Time
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Greensleeves
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T19:27:56Z
audio: Greensleeves
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Sixteen Waltzes, Op. 39 No. 15 in A-Flat Major
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T19:27:56Z
audio: Sixteen Waltzes, Op. 39 No. 15 in A-Flat Major
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24 Preludes, Op. 28 No. 4 in E Minor
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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Gnossiennes: No. 3 - Lent
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Nuvole Bianche
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