Sleeping Baby Lullaby
type: MusicGroup
genre: lullaby
popularity: 28
followers: 426
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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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album: Piano Lullaby for Kids
  type: MusicAlbum
  date published: 2019-02-06
album: Baby Lullaby: Classic Romantic Piano Lullabies for Deep Sleep with Ocean Sounds
  type: MusicAlbum
  date published: 2019-06-14
album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
  type: MusicAlbum
  date published: 2020-03-27
  track: Twinkle Twinkle Little Star
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    by artist: Sleeping Baby Lullaby
    in album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
      type: MusicAlbum
      date published: 2020-03-27
    genre: lullaby
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-15T21:44:45Z
    audio: Twinkle Twinkle Little Star
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  track: Piano Sonate in A Major KV 331 Andante Grazioso
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      type: MusicAlbum
      date published: 2020-03-27
    genre: lullaby
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-03T19:59:51Z
    audio: Piano Sonate in A Major KV 331 Andante Grazioso
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  track: Wiegenlied KV 350
  track: Piano Sonate in C Major KV 330 II movement Andante cantabile
  track: Piano Sonate in D Major KV 284 II movement Andante
  track: Aria Italiana
  track: Piano Sonate in B flat Major KV 333 I movement Allegro
  track: Piano Sonate in B flat Major KV 333 III movement Allegretto grazioso
  track: V Viennese Sonatinas in F major III movement Polonaise
  track: Minuetto in G Major
  track: Minuetto in F Major
  track: Allegro in B flat Major
  track: Piano Sonata in B flat Major KV 333 III Movement Rondò
album: Calming Piano Music & Ocean Waves for Baby Sleep
album: Sleepy Baby Lullaby

Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Wiegenlied KV 350
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duration: PT2M14S
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by artist: Sleeping Baby Lullaby
in album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
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  date published: 2020-03-27
genre: lullaby
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-15T12:02:50Z
audio: Wiegenlied KV 350
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  additional property: Danceability
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Piano Sonate in C Major KV 330 II movement Andante cantabile
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duration: PT2M18S
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by artist: Sleeping Baby Lullaby
in album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
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  date published: 2020-03-27
genre: lullaby
isrc code: ITK262000350
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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: 2026-07-16T02:28:43Z
audio: Piano Sonate in C Major KV 330 II movement Andante cantabile
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Piano Sonate in D Major KV 284 II movement Andante
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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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  date published: 2026-07-16T02:28:43Z
audio: Piano Sonate in D Major KV 284 II movement Andante
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Aria Italiana
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in album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
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genre: lullaby
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T21:18:05Z
audio: Aria Italiana
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Piano Sonate in B flat Major KV 333 I movement Allegro
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by artist: Sleeping Baby Lullaby
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genre: lullaby
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additional property: OTSVerificationAPI
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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 0xccb7f4406e1535ac8846c29d1f11d18aa254502e06a1368c310f931c2ab06dcf. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T03:55:59Z), 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/ITK262000353.
  date published: 2026-07-17T03:55:59Z
audio: Piano Sonate in B flat Major KV 333 I movement Allegro
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Piano Sonate in B flat Major KV 333 III movement Allegretto grazioso
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genre: lullaby
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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: 2026-07-04T14:03:39Z
audio: Piano Sonate in B flat Major KV 333 III movement Allegretto grazioso
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V Viennese Sonatinas in F major III movement Polonaise
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genre: lullaby
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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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  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 0x8f6a4b9b54601fa67f6eacd93d44f79aede5a8ba58257b7d29cd4768b4564ab3. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/ITK262000355.
  date published: 2026-07-16T12:43:37Z
audio: V Viennese Sonatinas in F major III movement Polonaise
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Minuetto in G Major
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in album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
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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: 2026-07-04T10:04:33Z
audio: Minuetto in G Major
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Minuetto in F Major
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duration: PT1M56S
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explicit: false
by artist: Sleeping Baby Lullaby
in album: Mozart Baby Lullaby: Classical Music for Babies Sleep, Music Box Lullabies
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genre: lullaby
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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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  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 0x8767bf4b166025d0a6be1269f685c7da8283e81e211dceb8be61493d127f3c72. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:54:30Z), 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/ITK262000357.
  date published: 2026-07-16T23:54:30Z
audio: Minuetto in F Major
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Allegro in B flat Major
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genre: lullaby
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additional property: OTSBitcoinBlockVerifyURL
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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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  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: 2026-07-04T14:03:39Z
audio: Allegro in B flat Major
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Piano Sonata in B flat Major KV 333 III Movement Rondò
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genre: lullaby
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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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  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: 2026-07-16T02:28:43Z
audio: Piano Sonata in B flat Major KV 333 III Movement Rondò
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Calming Piano Music & Ocean Waves for Baby Sleep
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track: Deep Sleep Baby - Nature Sounds Version
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Sleepy Baby Lullaby
type: MusicAlbum
date published: 2025-05-05