Música Clásica Maestro Mozy
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subject of: OpenTimestamps Proof of Existence
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album: Música Clásica Alegre para Niños
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  date published: 2019-10-29
  track: Brahms Lullaby - Versión de piano
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T15:07:00Z
    audio: Brahms Lullaby - Versión de piano
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album: Musica Clasica Relajante Piano
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  date published: 2019-11-17
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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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  track: Prelude No 4. Opus 28 - Versión de piano
  track: Gymnopédie No 1 - Versión de piano
  track: Ave Maria - Versión de piano
album: Música de Natal
album: Musica Clasica Para Niños
album: Canciones Infantiles Con El Violín
album: Música Clásica Para Bebés
album: Atrapasueños
album: Canciones de Cuna Para Bebés
album: Canciones Para Piano (Klavierstücke für die Jugend) - R. Schumann
album: Notebook for Anna Magdalena Bach
album: Música Para Dormir Rápido
album: Música Clásica
album: Canciones Clásicas de Saxofón para Niños
album: Album For The Young (After Schumann)
album: Sonatinen Op. 36
album: Kinderscenen Op.15
album: Musiques d’Enfants, Op. 65
album: Saxofón Para Niños
album: P. Tchaikovsky - Album For The Young (After Schumann)
album: A. Khachaturian - Album for Children
album: Daniel Hellbach - Easy Pop
album: Compositores Franceses
album: Clowns - Op. 39 No.20
album: Pedro y el lobo
album: Halloween
album: Música De Piano
album: Ma Mère L'Oye - 1. Pavane de la Belle au bois dormant
album: Liebestraum (Love's Dream), Nr. 3, Thema (8va)
album: Prélude, Op. 28 Nr. 7
album: Forellenquintett (Quintet of The Trout), Theme from the 4th Movement
album: El Carnaval de los Animales
album: Música de violonchelo para niños
album: La Cumparsita
album: Música de tango para niños
album: Las canciones de violonchelo más bonitas
album: Música clásica para niños
album: Mozy y la bailaora de flamenco
album: Bellas canciones de violín
album: Las más bellas canciones para guitarra
album: Peer Gynt Suite
album: Forest Fantasies
album: Bellas canciones de guitarra
album: Las canciones de Halloween más cautivadoras
album: Música de piano para niños
album: Sea Idylls
album: Música de arpa para niños
album: Orquesta infantil
album: Hernando's Hideaway
album: Clavicémbalo para niños
album: Canciones de Navidad para toda la familia
album: Mozy y la flauta - Canciones infantiles Parte 1
album: En un Viaje con la Orquesta - La Flauta
album: Mozy y la flauta - Canciones infantiles Parte 2
album: En un Viaje con la Orquesta - La Mandolina
album: Mozy y el clarinete - Canciones infantiles Parte 1
album: Viajando con la orquesta - El cuarteto de cuerda
album: Viajando con la orquesta - La arpa
album: En un Viaje con la Orquesta - El Oboe
album: En un Viaje con la Orquesta - El Clarinete
album: Brahms' Lullaby

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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T10:30:13Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-15T12:03:04Z
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Ave Maria - Versión de piano
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subject of: OpenTimestamps Proof of Existence
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Música de Natal
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date published: 2019-12-19

Musica Clasica Para Niños
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Canciones Infantiles Con El Violín
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Musica Clasica Para Niños
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date published: 2020-04-07
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  by artist: Música Clásica Maestro Mozy
  in album: Musica Clasica Para Niños
    type: MusicAlbum
    date published: 2020-04-07
  isrc code: NLGM12017542
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T12:25:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc6ca0c9ab0e30a5c6f9754b1a6dc5cf09bfcf8c422aeefe43daedb786eae5827
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958547
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958547
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12017542
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:44:05Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ca0c9ab0e30a5c6f9754b1a6dc5cf09bfcf8c422aeefe43daedb786eae5827. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12017542 — a six-check JSON result.
    date published: 2026-07-18T12:44:05Z
  audio: Ode To Joy - Versión de arpa
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 107.319
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.597
    additional property: Energy
      type: PropertyValue
      value: 0.09
    additional property: Speechiness
      type: PropertyValue
      value: 0.089
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.968
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.704
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.781
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Für Elise - Versión de arpa
  type: MusicRecording
  duration: PT0M49S
  duration ms: 49519
  explicit: false
  by artist: Música Clásica Maestro Mozy
  in album: Musica Clasica Para Niños
    type: MusicAlbum
    date published: 2020-04-07
  isrc code: NLGM12017544
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T21:34:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9212827db8be24a947de1da26923606b54948fb5e1ba1f4298eff6589c1d64e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12017544
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9212827db8be24a947de1da26923606b54948fb5e1ba1f4298eff6589c1d64e0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12017544 — a six-check JSON result.
    date published: 2026-07-05T01:12:41Z
  audio: Für Elise - Versión de arpa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.614
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.364
    additional property: Energy
      type: PropertyValue
      value: 0.125
    additional property: Speechiness
      type: PropertyValue
      value: 0.09
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.92
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.377
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.618
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Morning Mood - Versión de arpa
  type: MusicRecording
  duration: PT1M1S
  duration ms: 61919
  explicit: false
  by artist: Música Clásica Maestro Mozy
  in album: Musica Clasica Para Niños
    type: MusicAlbum
    date published: 2020-04-07
  isrc code: NLGM12017545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T07:14:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x68e066e634349eae15889941ccb5fa364a1b236ddd658bba03ddd5224321687a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958695
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958695
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12017545
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Morning Mood - Versión de arpa

OTSTimestamp
type: PropertyValue
value: 2026-07-19T07:37:00Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e066e634349eae15889941ccb5fa364a1b236ddd658bba03ddd5224321687a. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12017545 — a six-check JSON result.
date published: 2026-07-19T07:37:00Z

Morning Mood - Versión de arpa
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 77.824
additional property: Musical Key
  type: PropertyValue
  value: 3
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.581
additional property: Energy
  type: PropertyValue
  value: 0.13
additional property: Speechiness
  type: PropertyValue
  value: 0.065
additional property: Acousticness
  type: PropertyValue
  value: 0.982
additional property: Instrumentalness
  type: PropertyValue
  value: 0.856
additional property: Liveness
  type: PropertyValue
  value: 0.121
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.893
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Música Clásica Para Bebés
type: MusicAlbum
date published: 2020-05-07
track: Claire De Lune - Versión de piano
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175654
  explicit: false
  by artist: Música Clásica Maestro Mozy
  in album: Música Clásica Para Bebés
    type: MusicAlbum
    date published: 2020-05-07
  isrc code: NLGM12018342
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T15:21:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc57b32c040339a0d6f9688d55b3492eb4b859088b305959acf4972ce9af52031
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12018342
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc57b32c040339a0d6f9688d55b3492eb4b859088b305959acf4972ce9af52031. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12018342 — a six-check JSON result.
    date published: 2026-07-16T16:14:30Z
  audio: Claire De Lune - Versión de piano
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 68.95
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.53
    additional property: Energy
      type: PropertyValue
      value: 0.039
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.94
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.044
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.657
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nocturne Nr20 - Versión de piano
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259775
  explicit: false
  by artist: Música Clásica Maestro Mozy
  in album: Música Clásica Para Bebés
    type: MusicAlbum
    date published: 2020-05-07
  isrc code: NLGM12018343
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T18:17:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f1ffba7150473bbc9082b6e8c2c224c15f9406224a3bbcf03182e4ef117248e
  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/NLGM12018343
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f1ffba7150473bbc9082b6e8c2c224c15f9406224a3bbcf03182e4ef117248e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12018343 — a six-check JSON result.
    date published: 2026-07-17T19:12:23Z
  audio: Nocturne Nr20 - Versión de piano
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 68.245
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.319
    additional property: Energy
      type: PropertyValue
      value: 0.066
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.908
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.075
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.428
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Für Elise - Versión de piano
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179000
  explicit: false
  by artist: Música Clásica Maestro Mozy
  in album: Música Clásica Para Bebés
    type: MusicAlbum
    date published: 2020-05-07
  isrc code: NLGM12018349
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T20:59:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6f35f09875b0aa5dc408435ca12f4cc5c5019cde96a1aa8e7bb8e0c737a05931
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12018349
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Für Elise - Versión de piano

OTSTimestamp
type: PropertyValue
value: 2026-07-05T01:12:41Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f35f09875b0aa5dc408435ca12f4cc5c5019cde96a1aa8e7bb8e0c737a05931. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12018349 — a six-check JSON result.
date published: 2026-07-05T01:12:41Z

Für Elise - Versión de piano
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 70.756
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.2
additional property: Energy
  type: PropertyValue
  value: 0.218
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.986
additional property: Instrumentalness
  type: PropertyValue
  value: 0.874
additional property: Liveness
  type: PropertyValue
  value: 0.094
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.138
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.373
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Atrapasueños
type: MusicAlbum
date published: 2020-07-20

Canciones de Cuna Para Bebés
type: MusicAlbum
date published: 2020-08-20

Canciones Para Piano (Klavierstücke für die Jugend) - R. Schumann
type: MusicAlbum
date published: 2020-09-18

Notebook for Anna Magdalena Bach
type: MusicAlbum
date published: 2020-09-20

Música Para Dormir Rápido
type: MusicAlbum
date published: 2020-10-20

Música Clásica
type: MusicAlbum
date published: 2020-11-03

Canciones Clásicas de Saxofón para Niños
type: MusicAlbum
date published: 2020-12-15

Album For The Young (After Schumann)
type: MusicAlbum
date published: 2021-01-15

Sonatinen Op. 36
type: MusicAlbum
date published: 2021-02-01

Kinderscenen Op.15
type: MusicAlbum
date published: 2021-02-21

Musiques d’Enfants, Op. 65
type: MusicAlbum
date published: 2021-03-07
track: Musiques d’Enfants, Op. 65 - No. 2 Promenade - Versión de piano
  type: MusicRecording
  duration: PT1M13S
  duration ms: 73897
  explicit: false
  by artist: Música Clásica Maestro Mozy
  in album: Musiques d’Enfants, Op. 65
    type: MusicAlbum
    date published: 2021-03-07
  isrc code: NLGM12044862
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T05:46:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x19fac06648e59d855afeff65b9415134ae57db7aeeab849c039a39c716f60c57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958975
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958975
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLGM12044862
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T06:12:52Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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