Futaba The Maid
type: MusicGroup
genre: witch house
popularity: 7
followers: 704
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd625514e3ea6946ecb1be105010aa18d4cb446c47eb5a50d89ba21642bc0c57e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c08ffa05-c0ee-44d3-a352-015a6edeb466.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c08ffa05-c0ee-44d3-a352-015a6edeb466.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c08ffa05-c0ee-44d3-a352-015a6edeb466
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd625514e3ea6946ecb1be105010aa18d4cb446c47eb5a50d89ba21642bc0c57e","name":"Futaba The Maid","registered_at":"2026-06-20T19:16:34Z","symbol":"NIM1689669","token_address":"0xab79d0fb291dcfd6647ce748730d130ef76498a0","type":"artist","uuid":"c08ffa05-c0ee-44d3-a352-015a6edeb466"}
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 0xd625514e3ea6946ecb1be105010aa18d4cb446c47eb5a50d89ba21642bc0c57e. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c08ffa05-c0ee-44d3-a352-015a6edeb466.json and https://artists.proofprofile.net/proofs/artist/c08ffa05-c0ee-44d3-a352-015a6edeb466.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0xd625514e3ea6946ecb1be105010aa18d4cb446c47eb5a50d89ba21642bc0c57e","name":"Futaba The Maid","registered_at":"2026-06-20T19:16:34Z","symbol":"NIM1689669","token_address":"0xab79d0fb291dcfd6647ce748730d130ef76498a0","type":"artist","uuid":"c08ffa05-c0ee-44d3-a352-015a6edeb466"}
album: !Prologue
  type: MusicAlbum
  date published: 2022-10-31
album: !Prologue
  type: MusicAlbum
  date published: 2022-10-31
album: Chapter 1: "Rebirth"
  type: MusicAlbum
  date published: 2022-12-11
album: Chapter 1: "Rebirth"
  type: MusicAlbum
  date published: 2022-12-11
  track: The End Is Near
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156000
    explicit: false
    by artist: Futaba The Maid
    in album: Chapter 1: "Rebirth"
      type: MusicAlbum
      date published: 2022-12-11
    genre: witch house
    isrc code: TCAHF2323365
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T10:24:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0197c52598fa89be8a3047a915846bf1ac19e7b90f850693b6869895117f2388
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958721
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958721
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHF2323365
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T11:02:33Z
    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 0x0197c52598fa89be8a3047a915846bf1ac19e7b90f850693b6869895117f2388. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/TCAHF2323365.
      date published: 2026-07-19T11:02:33Z
    audio: The End Is Near
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.032
      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: 0.355
      additional property: Energy
        type: PropertyValue
        value: 0.993
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.878
      additional property: Liveness
        type: PropertyValue
        value: 0.142
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.546
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.208
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Foggy Edges
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140307
    explicit: false
    by artist: Futaba The Maid
    in album: Chapter 1: "Rebirth"
      type: MusicAlbum
      date published: 2022-12-11
    genre: witch house
    isrc code: TCAHF2323386
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T01:17:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9c37eeebb20d17ffb0effa268d3ce36411766e0304c24065fc5a9dfdfb64f593
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958951
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958951
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHF2323386
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T04:10:30Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c37eeebb20d17ffb0effa268d3ce36411766e0304c24065fc5a9dfdfb64f593. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:10:30Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHF2323386.
      date published: 2026-07-21T04:10:30Z
    audio: Foggy Edges
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.005
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.622
      additional property: Energy
        type: PropertyValue
        value: 0.848
      additional property: Speechiness
        type: PropertyValue
        value: 0.056
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Chapter 2: "New Story"
album: Chapter 3: "I See Something"
album: Chapter 4: "Broken Psyche"
album: Chapter 5: "Some Pillow"
album: D.M.C.
album: D.M.C
album: Chapter 6: "Mental Chasms"

Instrumentalness
type: PropertyValue
value: 0.887

Liveness
type: PropertyValue
value: 0.084

Valence (Positivity)
type: PropertyValue
value: 0.289

Loudness (dB)
type: PropertyValue
value: -7.42

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Chapter 2: "New Story"
type: MusicAlbum
date published: 2023-01-10

Chapter 2: "New Story"
type: MusicAlbum
date published: 2023-01-10

Chapter 3: "I See Something"
type: MusicAlbum
date published: 2023-02-01

Chapter 3: "I See Something"
type: MusicAlbum
date published: 2023-02-01

Chapter 4: "Broken Psyche"
type: MusicAlbum
date published: 2023-03-09

Chapter 4: "Broken Psyche"
type: MusicAlbum
date published: 2023-03-09

Chapter 5: "Some Pillow"
type: MusicAlbum
date published: 2023-04-16

Chapter 5: "Some Pillow"
type: MusicAlbum
date published: 2023-04-16

D.M.C.
type: MusicAlbum
date published: 2025-01-31

D.M.C
type: MusicAlbum
date published: 2025-07-25

Chapter 6: "Mental Chasms"
type: MusicAlbum
date published: 2025-08-07