Arianna Tsar
type: MusicGroup
genre: kuduro
popularity: 22
followers: 6202
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56325546427217af9e6855a9e0a68801a028d4b76da1f7a557af99cb7e4b50ff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da016615-b53d-40ff-be20-407ba9d70b01.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da016615-b53d-40ff-be20-407ba9d70b01.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/da016615-b53d-40ff-be20-407ba9d70b01
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56325546427217af9e6855a9e0a68801a028d4b76da1f7a557af99cb7e4b50ff. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da016615-b53d-40ff-be20-407ba9d70b01.json and https://artists.proofprofile.net/proofs/artist/da016615-b53d-40ff-be20-407ba9d70b01.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x56325546427217af9e6855a9e0a68801a028d4b76da1f7a557af99cb7e4b50ff","name":"Arianna Tsar","registered_at":"2026-06-12T11:16:41Z","symbol":"NIM0281269","token_address":"0xf6ed178bd9bb4db8f9d10c383dfcb7a91c3794f6","type":"artist","uuid":"da016615-b53d-40ff-be20-407ba9d70b01"}
album: Making Our Dreams Come True
  type: MusicAlbum
  date published: 2021-01-11
album: Making Our Dreams Come True
  type: MusicAlbum
  date published: 2021-02-10
album: Butterfly Vibes
  type: MusicAlbum
  date published: 2021-04-02
album: Electrify Tdot
  type: MusicAlbum
  date published: 2021-06-27
album: Who's That Girl
  type: MusicAlbum
  date published: 2021-09-24
album: Bully
  type: MusicAlbum
  date published: 2021-11-19
album: Secrets
  type: MusicAlbum
  date published: 2022-03-04
album: Secrets
  type: MusicAlbum
  date published: 2022-03-04
album: Vogue
  type: MusicAlbum
  date published: 2022-07-22
album: Electrify Tdot (Remix)
  type: MusicAlbum
  date published: 2022-11-18
album: Firefly
  type: MusicAlbum
  date published: 2023-03-10
  track: Firefly
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175955
    explicit: false
    by artist: Arianna Tsar
    in album: Firefly
      type: MusicAlbum
      date published: 2023-03-10
    genre: kuduro
    isrc code: QZDA52386185
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: 2026-07-21T09:46:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958992
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958992
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52386185
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T12:48:49Z
    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 0xee39275d4187ed3f4f41d39831960475593812f4abd32497e9d70d925b677bc5. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T12:48:49Z), 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/QZDA52386185.
      date published: 2026-07-21T12:48:49Z
    audio: Firefly
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.972
      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: 0.73
      additional property: Energy
        type: PropertyValue
        value: 0.728
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.036
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.319
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.583
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.488
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Electrify Tdot
  type: MusicAlbum
  date published: 2023-05-19
album: Rock City Girl
  type: MusicAlbum
  date published: 2023-07-07
album: City Girl ATV
  type: MusicAlbum
  date published: 2023-09-01
album: Holiday
  type: MusicAlbum
  date published: 2023-11-17
album: City Girl (ATV)
  type: MusicAlbum
  date published: 2023-12-22
  track: City Girl (ATV)
    type: MusicRecording
    duration: PT2M43S
    duration ms: 163442
    explicit: false
    by artist: Arianna Tsar
    in album: City Girl (ATV)
      type: MusicAlbum
      date published: 2023-12-22
    genre: kuduro
    isrc code: QZLBC2335579
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T19:37:57+00:00
    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958316
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958316
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLBC2335579
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: City Girl (ATV)
album: Inspiration
album: Supply Teacher
album: About A Girl
album: Shut Up!
album: Shut Up! (Remix)

OTSTimestamp
type: PropertyValue
value: 2026-07-16T19:42:29Z

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 0x75fa2938c4e8701ec350029a61e398beea9da50942bf4ea90324e4fe0ce5ff9c. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZLBC2335579.
date published: 2026-07-16T19:42:29Z

City Girl (ATV)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.691
additional property: Energy
  type: PropertyValue
  value: 0.796
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.113
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.155
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.388
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.602
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

City Girl (ATV)
type: MusicAlbum
date published: 2023-12-22

Inspiration
type: MusicAlbum
date published: 2023-12-29
track: Inspiration
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211274
  explicit: false
  by artist: Arianna Tsar
  in album: Inspiration
    type: MusicAlbum
    date published: 2023-12-29
  genre: kuduro
  isrc code: QZLBC2336245
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T10:10:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a989b6706c255af560a393da95705d518ef62c9a44d375010a4b864ce09f790
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZLBC2336245
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:29:45Z
  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 0x8a989b6706c255af560a393da95705d518ef62c9a44d375010a4b864ce09f790. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/QZLBC2336245.
    date published: 2026-07-17T10:29:45Z
  audio: Inspiration
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.895
    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: 0.701
    additional property: Energy
      type: PropertyValue
      value: 0.881
    additional property: Speechiness
      type: PropertyValue
      value: 0.321
    additional property: Acousticness
      type: PropertyValue
      value: 0.111
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.254
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.672
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.088
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Firefly
type: MusicAlbum
date published: 2024-01-26

Supply Teacher
type: MusicAlbum
date published: 2024-05-24

About A Girl
type: MusicAlbum
date published: 2024-07-19

Shut Up!
type: MusicAlbum
date published: 2024-10-18

Shut Up! (Remix)
type: MusicAlbum
date published: 2025-02-28