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subject of: OpenTimestamps Proof of Existence
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album: Sweet Songs for Sweet Dreams
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  date published: 2019-07-26
album: Baby Lullabies for Deep Sleep
  type: MusicAlbum
  date published: 2019-08-15
album: Sweet Sound Lullabies
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  date published: 2019-08-16
album: Lullabies for Babies and Children
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album: Baby Goodnight Lullabies
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  date published: 2019-08-21
album: Sweet Songs for Sweet Dreams
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  date published: 2019-08-21
album: Sleepy Baby Lullabies for Naptime
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album: Lullabies for Babies and Children
  type: MusicAlbum
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album: Baby Lullabies for Deep Sleep
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  date published: 2019-08-24
album: Bedtime Routine Piano
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album: Sweet Sound Lullabies
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album: Sleepy Baby Lullabies for Naptime
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album: First Dreams - Baby Lullabies
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album: Bedtime Routine Piano
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album: Baby Bedtime Piano
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T19:59:51Z
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album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
album: First Dreams - Baby Lullabies -
album: Smart Baby Sleep
album: Dreamy Baby Lullabies
album: Everyday Lullabies
album: Piano in the Nursery
album: Noontime Naps
album: Piano for Sleep
album: Baby Sleep Songs
album: Lullabies Before Bed
album: Smiles and Sleep - Piano Lullabies for Babies -
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album: Piano for Newborns
album: Childhood Lullabies
album: 赤ちゃんが笑顔になる楽しい子守歌
album: Jolly Lullabies
album: すやすや楽しく夢の中 - 赤ちゃんのおやすみピアノ
album: Baby's Favorite Sleep Songs
album: 月明かりのリラクゼーションメロディー
album: Moonlight Melodies
album: 子どもが眠れる子守歌
album: かわいい寝顔が見られる子守歌
album: Lovely Nights
album: すやすやおやすみ赤ちゃんピアノ
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album: 私の好きな子守唄 - プレミアムセレクション
album: My Favorite Lullabies - Childhood Premium Selections
album: Twinkling Piano Lullabies
album: きらめくピアノの子守歌
album: Princess Lullabies - Lovely Disney Piano Covers for Sleep -
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album: Sweet Dreams and Lullabies ~Fantasy Piano Covers~
album: Lullaby Baby ~Sweet Piano Cover Selection~
album: Soft Sleep Piano for Baby and Mommy
album: Deep Sleep for Babies
album: 朝までぐっすり子守歌
album: Lullaby Until Morning
album: Wrapped in Gentle Tones
album: 優しい音色に包まれて
album: Piano for Babies Sleeping Quietly
album: Lullaby for Sleeping Fluffy in Dreams
album: Jazz Piano Reflective Tranquility: Melodic Sounds for Deep Study
album: Piano Focus: Melodies for Mindful Studying
album: Tranquil Keys of Focus: Serene Piano Task Mastery
album: Office Bliss: Piano Music for Work
album: Academic Echoes: Piano Studies
album: Timeless Echoes: Classic Piano Music

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800f96fa05b6abeb5242af7e122b7a23f828136f6418ba62ea5587386fd309bc. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T08:05:35Z), 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/JPN291903920.
date published: 2026-07-17T08:05:35Z

Children's Sleep Song
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Piano Lullabies to Fall Asleep
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date published: 2019-08-31

Baby Goodnight Lullabies
type: MusicAlbum
date published: 2019-09-07

Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
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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: 2026-07-13T16:55:06Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T11:58:57Z
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track: Beauty and the Beast - Piano Lullaby Cover
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  audio: Beauty and the Beast - Piano Lullaby Cover
track: Let It Go - Piano Lullaby Cover
track: When You Wish Upon a Star - Piano Lullaby Cover
track: La La Lu - Piano Lullaby Cover
track: Once Upon a Dream - Piano Lullaby Cover
track: Bibbidi-Bobbidi-Boo - Piano Lullaby Cover
track: Someday My Prince Will Come - Piano Lullaby Cover
track: Under the Sea - Piano Lullaby Cover
track: A Dream Is a Wish Your Heart Makes - Piano Lullaby Cover
track: Alice in Wonderland - Piano Lullaby Cover

OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa982dc1a874498aaa591c9f38ca0090e4663a10466d0f7f424e5c21eb52866c8. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/JPN291904444.
date published: 2026-07-19T07:14:39Z

Beauty and the Beast - Piano Lullaby Cover
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additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.99
additional property: Instrumentalness
  type: PropertyValue
  value: 0.94
additional property: Liveness
  type: PropertyValue
  value: 0.093
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.21
additional property: Loudness (dB)
  type: PropertyValue
  value: -34.834
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Let It Go - Piano Lullaby Cover
type: MusicRecording
duration: PT5M3S
duration ms: 303905
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904445
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T07:59:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x536b0e45aa8adb19adbe0dfddb49ed4fdc12bc8ae022b970b8bd154c06a07fec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904445
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T08:19:09Z
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 0x536b0e45aa8adb19adbe0dfddb49ed4fdc12bc8ae022b970b8bd154c06a07fec. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/JPN291904445.
  date published: 2026-07-18T08:19:09Z
audio: Let It Go - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 69.962
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.438
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.484
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

When You Wish Upon a Star - Piano Lullaby Cover
type: MusicRecording
duration: PT2M49S
duration ms: 169248
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904446
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:42:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef50a17adae165425d8fd0669a01353e97c14290e531a6ba260810704aa8780d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956776
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956776
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904446
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T23:55:35Z
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 0xef50a17adae165425d8fd0669a01353e97c14290e531a6ba260810704aa8780d. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-19T23:55:35Z), 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/JPN291904446.
  date published: 2026-07-19T23:55:35Z
audio: When You Wish Upon a Star - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 63.089
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.944
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.245
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.911
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La La Lu - Piano Lullaby Cover
type: MusicRecording
duration: PT3M54S
duration ms: 234182
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904447
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T21:17:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x952d830e9b21060065c16a958c649abbf9d5b14d2418de81509094dc0c6c427a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958461
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958461
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904447
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T23:18:11Z
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 0x952d830e9b21060065c16a958c649abbf9d5b14d2418de81509094dc0c6c427a. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/JPN291904447.
  date published: 2026-07-17T23:18:11Z
audio: La La Lu - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 67.942
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.44
  additional property: Energy
    type: PropertyValue
    value: 0.005
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.826
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.123
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.002
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Once Upon a Dream - Piano Lullaby Cover
type: MusicRecording
duration: PT3M9S
duration ms: 189296
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904448
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:43:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1dfbe24065100b67741c20cfc709fef42ef2df04eea5060bcb9e7e7bf5c110dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956776
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956776
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T00:02:18Z
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 0x1dfbe24065100b67741c20cfc709fef42ef2df04eea5060bcb9e7e7bf5c110dd. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-20T00:02:18Z), 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/JPN291904448.
  date published: 2026-07-20T00:02:18Z
audio: Once Upon a Dream - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 70.903
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.884
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.565
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bibbidi-Bobbidi-Boo - Piano Lullaby Cover
type: MusicRecording
duration: PT2M9S
duration ms: 129835
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904449
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T14:27:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4498a878eed5cc0e91739b82bb810eb3bff64706319315e288f06b6d834bd87d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958444
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904449
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
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 0x4498a878eed5cc0e91739b82bb810eb3bff64706319315e288f06b6d834bd87d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPN291904449.
  date published: 2026-07-17T19:12:23Z
audio: Bibbidi-Bobbidi-Boo - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.134
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.015
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.957
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.371
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.635
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Someday My Prince Will Come - Piano Lullaby Cover
type: MusicRecording
duration: PT1M51S
duration ms: 111585
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904450
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T14:09:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd259d790809c12b5d8fe4f4f445ea1b86ad3d692c26914504f0d20111668787c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958563
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958563
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904450
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T14:29:03Z
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 0xd259d790809c12b5d8fe4f4f445ea1b86ad3d692c26914504f0d20111668787c. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/JPN291904450.
  date published: 2026-07-18T14:29:03Z
audio: Someday My Prince Will Come - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 69.931
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.433
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.038
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.859
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Under the Sea - Piano Lullaby Cover
type: MusicRecording
duration: PT4M22S
duration ms: 262771
explicit: false
by artist: A-Plus Academy
in album: Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
  type: MusicAlbum
  date published: 2019-09-10
genre: lullaby
isrc code: JPN291904451
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T12:37:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01eece71bacc421ab74eeaa5a63dceee8bbacbb14a9cd86da42387bc392288e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958885
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958885
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN291904451
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T15:40:28Z
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 0x01eece71bacc421ab74eeaa5a63dceee8bbacbb14a9cd86da42387bc392288e7. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:40:28Z), 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/JPN291904451.
  date published: 2026-07-20T15:40:28Z
audio: Under the Sea - Piano Lullaby Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.999
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.501
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.957
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.48
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

A Dream Is a Wish Your Heart Makes - Piano Lullaby Cover
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duration: PT2M37S
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subject of: OpenTimestamps Proof of Existence
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Alice in Wonderland - Piano Lullaby Cover
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subject of: OpenTimestamps Proof of Existence
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audio: Alice in Wonderland - Piano Lullaby Cover
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First Dreams - Baby Lullabies -
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Smart Baby Sleep
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Smart Baby Sleep
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Dreamy Baby Lullabies
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Dreamy Baby Lullabies
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Everyday Lullabies
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Everyday Lullabies
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Piano in the Nursery
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Baby Bedtime Piano
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Noontime Naps
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Noontime Naps
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Piano for Sleep
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Baby Sleep Songs
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Baby Sleep Songs
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Lullabies Before Bed
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Smiles and Sleep - Piano Lullabies for Babies -
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Smiles and Sleep - Piano Lullabies for Babies
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Sleep Through the Night
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Sleep Through the Night
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Piano for Newborns
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Childhood Lullabies
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    date published: 2026-07-13T16:55:06Z
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赤ちゃんが笑顔になる楽しい子守歌
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Jolly Lullabies
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すやすや楽しく夢の中 - 赤ちゃんのおやすみピアノ
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Baby's Favorite Sleep Songs
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月明かりのリラクゼーションメロディー
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Moonlight Melodies
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子どもが眠れる子守歌
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かわいい寝顔が見られる子守歌
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Lovely Nights
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すやすやおやすみ赤ちゃんピアノ
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date published: 2019-10-31

Goodnight, Baby
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date published: 2019-10-31

私の好きな子守唄 - プレミアムセレクション
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My Favorite Lullabies - Childhood Premium Selections
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T11:47:20Z
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track: Baby Mine (Lullaby Piano Vers.)
track: Winnie the Pooh (Lullaby Piano Vers.)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-05T10:59:37Z

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Winnie the Pooh (Lullaby Piano Vers.)
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Twinkling Piano Lullabies
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きらめくピアノの子守歌
type: MusicAlbum
date published: 2019-11-02

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type: MusicAlbum
date published: 2019-11-20

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type: MusicAlbum
date published: 2020-10-30

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type: MusicAlbum
date published: 2021-08-11

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type: MusicAlbum
date published: 2021-08-13

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type: MusicAlbum
date published: 2023-07-26

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type: MusicAlbum
date published: 2023-08-09

朝までぐっすり子守歌
type: MusicAlbum
date published: 2023-08-11

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type: MusicAlbum
date published: 2023-08-11

Wrapped in Gentle Tones
type: MusicAlbum
date published: 2023-08-16

優しい音色に包まれて
type: MusicAlbum
date published: 2023-08-16

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type: MusicAlbum
date published: 2023-08-18

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type: MusicAlbum
date published: 2023-08-23

Jazz Piano Reflective Tranquility: Melodic Sounds for Deep Study
type: MusicAlbum
date published: 2023-10-12

Piano Focus: Melodies for Mindful Studying
type: MusicAlbum
date published: 2023-10-13

Tranquil Keys of Focus: Serene Piano Task Mastery
type: MusicAlbum
date published: 2023-10-17

Office Bliss: Piano Music for Work
type: MusicAlbum
date published: 2023-10-18

Academic Echoes: Piano Studies
type: MusicAlbum
date published: 2023-11-08

Timeless Echoes: Classic Piano Music
type: MusicAlbum
date published: 2024-04-01

Piano Music Rendezvous: Harmonic Encounters
type: MusicAlbum
date published: 2024-04-10

Piano Music: Mystic Echoes
type: MusicAlbum
date published: 2024-04-10

Echoes of the Piano: Resonant Harmonies
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date published: 2024-06-07

Piano Reflections: Serene Echoes
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date published: 2024-06-21

Autumnal Reflections: Piano Music Melodies
type: MusicAlbum
date published: 2024-07-03