Pop Lullaby Ensemble
type: MusicGroup
genre: lullaby
popularity: 10
followers: 616
additional property: CopyrightID
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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 0xc7c7ccd7e943d621c58daa13dbc9e65e35143137a1de40a24f895db3b1ed7d0b. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a891a726-72ec-4b5c-b2ff-549bf7418f4d.json and https://artists.proofprofile.net/proofs/artist/a891a726-72ec-4b5c-b2ff-549bf7418f4d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0xc7c7ccd7e943d621c58daa13dbc9e65e35143137a1de40a24f895db3b1ed7d0b","name":"Pop Lullaby Ensemble","registered_at":"2026-06-20T08:38:27Z","symbol":"NIM1568680","token_address":"0x075edbe0e206be5e3427e92b059f2e88a6680e5d","type":"artist","uuid":"a891a726-72ec-4b5c-b2ff-549bf7418f4d"}
album: Baby Lullabies Popular Music - Music For Sleep, Relaxation & Dream State
  type: MusicAlbum
  date published: 2010-09-01
  track: Billionaire (Made Famous by Travie McCoy)
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    duration: PT4M44S
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    by artist: Pop Lullaby Ensemble
    in album: Baby Lullabies Popular Music - Music For Sleep, Relaxation & Dream State
      type: MusicAlbum
      date published: 2010-09-01
    genre: lullaby
    isrc code: USA561066691
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    additional property: OTSTimestamp
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      value: 2026-07-18T06:27:01Z
    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 0x833917012c7f4d901cbb373d5f9b5daee654a8d50a342c4e9033cc3b7d94f6fa. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/USA561066691.
      date published: 2026-07-18T06:27:01Z
    audio: Billionaire (Made Famous by Travie McCoy)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.005
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
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      additional property: Energy
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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
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.8
      additional property: Key Name
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        value: B
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  track: Hey, Soul Sister (Made Famous by Train)
    type: MusicRecording
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    by artist: Pop Lullaby Ensemble
    in album: Baby Lullabies Popular Music - Music For Sleep, Relaxation & Dream State
      type: MusicAlbum
      date published: 2010-09-01
    genre: lullaby
    isrc code: USA561066704
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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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d90800ef7ff20a038ae778a86f4f318886f77a582731752049b3482668e587. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USA561066704.
      date published: 2026-07-18T12:14:37Z
    audio: Hey, Soul Sister (Made Famous by Train)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 83.006
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.774
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.637
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.779
      additional property: Liveness
        type: PropertyValue
        value: 0.077
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.186
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Lullaby Harmonics: Soothing Tunes for Baby Sleep
album: Soothing Harmonies for Baby's Peaceful Sleep

Loudness (dB)
type: PropertyValue
value: -12.492

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Lullaby Harmonics: Soothing Tunes for Baby Sleep
type: MusicAlbum
date published: 2024-06-05

Soothing Harmonies for Baby's Peaceful Sleep
type: MusicAlbum
date published: 2024-06-20