MARIMO。
type: MusicGroup
popularity: 7
followers: 820
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f0c383bd28ea9045773cbd83c130e24a7ad56d03fb65b50036ff5ccc8b978e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/64fb7f60-dd2d-4bc0-bbbb-9293245fd596.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/64fb7f60-dd2d-4bc0-bbbb-9293245fd596.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/64fb7f60-dd2d-4bc0-bbbb-9293245fd596
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7f0c383bd28ea9045773cbd83c130e24a7ad56d03fb65b50036ff5ccc8b978e1","name":"MARIMO。","registered_at":"2026-06-17T01:12:10Z","symbol":"NIM1234270","token_address":"0x60089ed43014e46a27c7a3eb18b282136bc71fb6","type":"artist","uuid":"64fb7f60-dd2d-4bc0-bbbb-9293245fd596"}
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 0x7f0c383bd28ea9045773cbd83c130e24a7ad56d03fb65b50036ff5ccc8b978e1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64fb7f60-dd2d-4bc0-bbbb-9293245fd596.json and https://artists.proofprofile.net/proofs/artist/64fb7f60-dd2d-4bc0-bbbb-9293245fd596.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7f0c383bd28ea9045773cbd83c130e24a7ad56d03fb65b50036ff5ccc8b978e1","name":"MARIMO。","registered_at":"2026-06-17T01:12:10Z","symbol":"NIM1234270","token_address":"0x60089ed43014e46a27c7a3eb18b282136bc71fb6","type":"artist","uuid":"64fb7f60-dd2d-4bc0-bbbb-9293245fd596"}
album: My Bad (feat. 村上チハヤ & 輝大)
  type: MusicAlbum
  date published: 2022-11-23
album: My Bad (feat. MurakamiChihaya & Kio)
  type: MusicAlbum
  date published: 2022-11-23
album: 仮恋
  type: MusicAlbum
  date published: 2023-01-21
  track: 仮恋
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159231
    explicit: false
    by artist: MARIMO。
    in album: 仮恋
      type: MusicAlbum
      date published: 2023-01-21
    isrc code: TCJPU2338688
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T14:03:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa1de6e8b181794b474d5752d5fd92ec17aa8336d1307c48dca6209e0c707485f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPU2338688
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0xa1de6e8b181794b474d5752d5fd92ec17aa8336d1307c48dca6209e0c707485f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TCJPU2338688.
      date published: 2026-07-05T19:27:56Z
    audio: 仮恋
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.026
      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: 0.791
      additional property: Energy
        type: PropertyValue
        value: 0.818
      additional property: Speechiness
        type: PropertyValue
        value: 0.072
      additional property: Acousticness
        type: PropertyValue
        value: 0.094
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.31
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.665
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.79
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Karen
  type: MusicAlbum
  date published: 2023-01-21
album: レイジードロップ
  type: MusicAlbum
  date published: 2023-05-13
album: スクールデイズ (feat. 村上チハヤ)
  type: MusicAlbum
  date published: 2023-05-13
album: School Days (feat. Murakami Chihaya)
  type: MusicAlbum
  date published: 2023-05-13
album: Lazy Drop
  type: MusicAlbum
  date published: 2023-05-13
album: Crystal
  type: MusicAlbum
  date published: 2023-07-01
album: クリスタル
  type: MusicAlbum
  date published: 2023-07-01
  track: クリスタル
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182568
    explicit: false
    by artist: MARIMO。
    in album: クリスタル
      type: MusicAlbum
      date published: 2023-07-01
    isrc code: TCJPW2343236
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:32:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa2c8258e01439f09dbd1b6246e3351833fdd829d53f9ac34f5c68160eb1f4cd4
    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/TCJPW2343236
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0xa2c8258e01439f09dbd1b6246e3351833fdd829d53f9ac34f5c68160eb1f4cd4. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPW2343236.
      date published: 2026-07-05T10:59:37Z
    audio: クリスタル
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 141.962
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      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: 電脳迷夢
album: Shayo (feat. nastumi)
album: シャヨウ (feat. natsumi)

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.789

Energy
type: PropertyValue
value: 0.594

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.043

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.167

Valence (Positivity)
type: PropertyValue
value: 0.774

Loudness (dB)
type: PropertyValue
value: -7.006

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

電脳迷夢
type: MusicAlbum
date published: 2023-09-06

Shayo (feat. nastumi)
type: MusicAlbum
date published: 2024-01-18

シャヨウ (feat. natsumi)
type: MusicAlbum
date published: 2024-01-18