Zero Two
type: MusicGroup
genre: anime
description: , also called and is a fictional character in the Japanese anime television series Darling in the Franxx by A-1 Pictures, Trigger, and CloverWorks. She was designed as the most prominent character a
popularity: 38
followers: 93055
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x626e8fe1a198a91cd2e5442a11f5524e04e7ee338a5ae3fdb93eb551b222ffea
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6e00ac85-2c49-4526-8d4d-dd1976dfb33f
additional property: OTSTimestamp
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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 0x626e8fe1a198a91cd2e5442a11f5524e04e7ee338a5ae3fdb93eb551b222ffea. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e00ac85-2c49-4526-8d4d-dd1976dfb33f.json and https://artists.proofprofile.net/proofs/artist/6e00ac85-2c49-4526-8d4d-dd1976dfb33f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Izantachi (Zero Two) [Tik Tok]
  type: MusicAlbum
  date published: 2020-12-17
album: Darling Ohayo (Tik Tok)
  type: MusicAlbum
  date published: 2020-12-21
album: Your Heart 105°C
  type: MusicAlbum
  date published: 2021-01-05
  track: Your Heart 105°C
    type: MusicRecording
    duration: PT3M16S
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    explicit: false
    by artist: Zero Two
    in album: Your Heart 105°C
      type: MusicAlbum
      date published: 2021-01-05
    genre: anime
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cad532ef33e708bf26c390cbcd831aa15c150a4f7c0d07f57aec12f287a3a60. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZWFT2557928.
      date published: 2026-07-05T10:01:46Z
    audio: Your Heart 105°C
      type: AudioObject
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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album: Your Heart 105°C
  type: MusicAlbum
  date published: 2021-01-05
album: Kiss Me And Hurt Me
  type: MusicAlbum
  date published: 2021-03-02
album: Kiss Me And Hurt Me
  type: MusicAlbum
  date published: 2021-03-02
  track: Kiss Me And Hurt Me
    type: MusicRecording
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    explicit: false
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      type: MusicAlbum
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    genre: anime
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x790cb11e4e9740b40475b79f0f2fbda765490be20ef21fbbb4d0d5600af9f0c2. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZWFT2557927.
      date published: 2026-07-04T10:04:33Z
    audio: Kiss Me And Hurt Me
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Mood (Remix)
album: Hello, My Name is Zuzie (Mashup)
album: Hello, My Name is Zuzie
album: Darling Ohayo (HIFDY Remix)
album: Darling Ohayo
album: Darling Ohayo (Remixes)
album: Still With You
album: Moshi Moshi
album: Walk Away
album: Sunsets
album: Magnetic
album: I Know You
album: Monokuro no Sekai
album: Eien no Kiseki
album: Hikaru Mirai e
album: Kira Kira
album: Faint Light
album: Hatsukoi No Uta
album: Yosho Hai
album: Ai no Yakusoku
track: Nyanpasu - Kawaii Remix

Nyanpasu - Kawaii Remix
type: MusicRecording
duration: PT2M20S
duration ms: 140693
explicit: false
by artist: Renge Miyauchi
by artist: Zero Two
by artist: MG5902
in album: Nyanpasu (Kawaii Remix)
  type: MusicAlbum
  date published: 2023-11-30
isrc code: IDBMS2391026
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDBMS2391026
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb13f7b9d0033b166d408f615d3dc5ea597aa37558903cd4d0ccd586d898ffe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/IDBMS2391026.
  date published: 2026-07-02T03:55:08Z
audio: Nyanpasu - Kawaii Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.564
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.355
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.784
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.141
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Energy
type: PropertyValue
value: 0.915

Speechiness
type: PropertyValue
value: 0.114

Acousticness
type: PropertyValue
value: 0.049

Instrumentalness
type: PropertyValue
value: 0.003

Liveness
type: PropertyValue
value: 0.369

Valence (Positivity)
type: PropertyValue
value: 0.724

Loudness (dB)
type: PropertyValue
value: -3.223

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Kiss Me And Hurt Me
type: MusicAlbum
date published: 2021-03-02

Mood (Remix)
type: MusicAlbum
date published: 2021-06-09

Hello, My Name is Zuzie (Mashup)
type: MusicAlbum
date published: 2021-08-03

Mood (Remix)
type: MusicAlbum
date published: 2021-11-01

Hello, My Name is Zuzie
type: MusicAlbum
date published: 2021-11-10

Hello, My Name is Zuzie
type: MusicAlbum
date published: 2021-11-10

Hello, My Name is Zuzie
type: MusicAlbum
date published: 2021-11-10

Your Heart 105°C
type: MusicAlbum
date published: 2022-01-03

Your Heart 105°C
type: MusicAlbum
date published: 2022-01-05

Darling Ohayo (HIFDY Remix)
type: MusicAlbum
date published: 2022-02-24
track: Darling Ohayo - HIFDY Remix
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142562
  explicit: false
  by artist: Zero Two
  in album: Darling Ohayo (HIFDY Remix)
    type: MusicAlbum
    date published: 2022-02-24
  genre: anime
  isrc code: QZ5FN2277620
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5FN2277620
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T14:03:39Z
  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 0xde19b3630a61e6bf41d9cd2d08e32b6862d2ba538359fbb610601339dd70e864. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZ5FN2277620.
    date published: 2026-07-04T14:03:39Z
  audio: Darling Ohayo - HIFDY Remix
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.77
    additional property: Energy
      type: PropertyValue
      value: 0.646
    additional property: Speechiness
      type: PropertyValue
      value: 0.464
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.442
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.188
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.639
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Darling Ohayo
type: MusicAlbum
date published: 2022-08-25

Darling Ohayo
type: MusicAlbum
date published: 2022-08-25

Darling Ohayo
type: MusicAlbum
date published: 2022-08-25

Darling Ohayo (Remixes)
type: MusicAlbum
date published: 2023-06-11

Darling Ohayo
type: MusicAlbum
date published: 2023-12-05

Still With You
type: MusicAlbum
date published: 2024-01-11

Moshi Moshi
type: MusicAlbum
date published: 2024-08-19

Walk Away
type: MusicAlbum
date published: 2024-11-08

Sunsets
type: MusicAlbum
date published: 2025-02-18

Magnetic
type: MusicAlbum
date published: 2025-02-20
track: Magnetic
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175000
  explicit: false
  by artist: Zero Two
  in album: Magnetic
    type: MusicAlbum
    date published: 2025-02-20
  genre: anime
  isrc code: IDCHD2590004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958918
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDCHD2590004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T17:58:04Z
  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 0x4de93ccf7f4e3a06aa25c7759a4558e911495386ce85cb1104af82ed4226b203. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/IDCHD2590004.
    date published: 2026-07-20T17:58:04Z
  audio: Magnetic
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.54
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.57
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.907
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.583
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.924
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
      value: Major

I Know You
type: MusicAlbum
date published: 2025-03-08
track: I Know You
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171000
  explicit: false
  by artist: Zero Two
  in album: I Know You
    type: MusicAlbum
    date published: 2025-03-08
  genre: anime
  isrc code: IDCHD2590014
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDCHD2590014
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0xa0a92aff0c448343b7f5b19e9b048e5a0e16a104974de4f448d0e854d1e82a50. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/IDCHD2590014.
    date published: 2026-07-02T16:51:38Z
  audio: I Know You
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.9
    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: 0.53
    additional property: Energy
      type: PropertyValue
      value: 0.79
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.074
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.278
    additional property: Liveness
      type: PropertyValue
      value: 0.276
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.336
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.411
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Monokuro no Sekai
type: MusicAlbum
date published: 2025-03-20
track: Monokuro no Sekai
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170666
  explicit: false
  by artist: Zero Two
  in album: Monokuro no Sekai
    type: MusicAlbum
    date published: 2025-03-20
  genre: anime
  isrc code: IDCHD2590021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T02:52:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7a21580ae73021673aa8aa528f773a0cf9a88d4c34fbb796b7e788a6ba469192
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDCHD2590021
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x7a21580ae73021673aa8aa528f773a0cf9a88d4c34fbb796b7e788a6ba469192. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/IDCHD2590021.
    date published: 2026-07-05T10:01:46Z
  audio: Monokuro no Sekai
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.999
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.723
    additional property: Energy
      type: PropertyValue
      value: 0.589
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.046
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.029
    additional property: Liveness
      type: PropertyValue
      value: 0.149
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.523
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.346
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Eien no Kiseki
type: MusicAlbum
date published: 2025-03-26

Hikaru Mirai e
type: MusicAlbum
date published: 2025-03-29
track: Hikaru Mirai e
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184489
  explicit: false
  by artist: Zero Two
  in album: Hikaru Mirai e
    type: MusicAlbum
    date published: 2025-03-29
  genre: anime
  isrc code: IDCHD2590023
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:48:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb36fcb9fab5853e29c15dca9f758e5624e843ff0eae3473de66d70fbfa474975
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IDCHD2590023
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0xb36fcb9fab5853e29c15dca9f758e5624e843ff0eae3473de66d70fbfa474975. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/IDCHD2590023.
    date published: 2026-07-05T01:43:49Z
  audio: Hikaru Mirai e
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.991
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.593
    additional property: Energy
      type: PropertyValue
      value: 0.496
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.425
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.235
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.406
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Kira Kira
type: MusicAlbum
date published: 2025-10-31

Faint Light
type: MusicAlbum
date published: 2025-11-01

Hatsukoi No Uta
type: MusicAlbum
date published: 2025-11-06

Yosho Hai
type: MusicAlbum
date published: 2025-11-07

Ai no Yakusoku
type: MusicAlbum
date published: 2025-11-13