Piano Lullaby Music Experts
type: MusicGroup
genre: lullaby
popularity: 14
followers: 77
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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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  date published: 2026-06-14T11:41:45Z
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album: Piano Lullaby: Relaxing Piano Lullabies for Baby Sleep
  type: MusicAlbum
  date published: 2021-07-07
  track: Hickory Dickory Dock - Piano Lullaby
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    by artist: Piano Lullaby Music Experts
    in album: Piano Lullaby: Relaxing Piano Lullabies for Baby Sleep
      type: MusicAlbum
      date published: 2021-07-07
    genre: lullaby
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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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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc932ecd527bb1dae23e740c93728d613e6bf3e387d9ee219d60b8133a4e9bfc7. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T04:59:06Z), 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/ITK262101895.
      date published: 2026-07-16T04:59:06Z
    audio: Hickory Dickory Dock - Piano Lullaby
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      additional property: Tempo (BPM)
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
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  track: Little Snowflake - Piano Lullaby
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    by artist: Piano Lullaby Music Experts
    in album: Piano Lullaby: Relaxing Piano Lullabies for Baby Sleep
      type: MusicAlbum
      date published: 2021-07-07
    genre: lullaby
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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: 2026-07-19T16:20:04Z
    audio: Little Snowflake - Piano Lullaby
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      additional property: Tempo (BPM)
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        type: PropertyValue
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      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.193
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Acousticness
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  track: This Old Man - Piano Lullaby

Loudness (dB)
type: PropertyValue
value: -20.885

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

This Old Man - Piano Lullaby
type: MusicRecording
duration: PT2M2S
duration ms: 122972
explicit: false
by artist: Piano Lullaby Music Experts
in album: Piano Lullaby: Relaxing Piano Lullabies for Baby Sleep
  type: MusicAlbum
  date published: 2021-07-07
genre: lullaby
isrc code: ITK262101901
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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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  date published: 2026-07-16T12:43:37Z
audio: This Old Man - Piano Lullaby
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  additional property: Mode Name
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