Kemicol
type: MusicGroup
genre: vocaloid
popularity: 18
followers: 389
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad64b829e9a5bf1fddb7f065b042c7525b9ebd9322a82dc72825282cd7342ee8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/250938ac-f2cf-49fa-b424-8c87b046efd8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/250938ac-f2cf-49fa-b424-8c87b046efd8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/250938ac-f2cf-49fa-b424-8c87b046efd8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
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 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 0xad64b829e9a5bf1fddb7f065b042c7525b9ebd9322a82dc72825282cd7342ee8. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/250938ac-f2cf-49fa-b424-8c87b046efd8.json and https://artists.proofprofile.net/proofs/artist/250938ac-f2cf-49fa-b424-8c87b046efd8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
album: Supido (Hatsune Miku Ver.)
  type: MusicAlbum
  date published: 2023-09-03
album: Aquafina
  type: MusicAlbum
  date published: 2024-06-26
album: What's a Kilometer?
  type: MusicAlbum
  date published: 2024-07-05
album: Nuh Uh
  type: MusicAlbum
  date published: 2024-07-20
album: EMERGENCY (Budots Triple Baka Ver.)
  type: MusicAlbum
  date published: 2024-07-23
album: Voicebank Intro Cypher 1
  type: MusicAlbum
  date published: 2024-07-30
album: BUM!
  type: MusicAlbum
  date published: 2024-08-29
  track: BUM!
    type: MusicRecording
    duration: PT2M1S
    duration ms: 121866
    explicit: false
    by artist: Kemicol
    in album: BUM!
      type: MusicAlbum
      date published: 2024-08-29
    genre: vocaloid
    isrc code: QZZ7N2411937
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T16:50:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4c24e27bd47f79201adf1d7e135c1c99c30b62e85333503bdb874f2a412372a6
    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/QZZ7N2411937
    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 0x4c24e27bd47f79201adf1d7e135c1c99c30b62e85333503bdb874f2a412372a6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7N2411937.
      date published: 2026-07-05T01:12:41Z
    audio: BUM!
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.029
      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: 0.7
      additional property: Energy
        type: PropertyValue
        value: 0.907
      additional property: Speechiness
        type: PropertyValue
        value: 0.321
      additional property: Acousticness
        type: PropertyValue
        value: 0.029
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.07
      additional property: Liveness
        type: PropertyValue
        value: 0.219
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.377
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.627
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 4k Let's Go!
  type: MusicAlbum
  date published: 2024-09-19
album: Honk Shoo Mi-Mi Miku
  type: MusicAlbum
  date published: 2024-10-07
album: Plug n' Forte
  type: MusicAlbum
  date published: 2024-10-22
album: BUM! (Remix)
  type: MusicAlbum
  date published: 2024-11-08
album: BROKE TWE!N
  type: MusicAlbum
  date published: 2024-11-18
album: Yuh Huh
  type: MusicAlbum
  date published: 2024-11-21
  track: Yuh Huh
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164000
    explicit: false
    by artist: Kemicol
    in album: Yuh Huh
      type: MusicAlbum
      date published: 2024-11-21
    genre: vocaloid
    isrc code: QZZ7M2498143
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-29T08:55:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a130bd40968a37ec1a40750d68fae93646e6833d4ab99df4d0ef084d6e892eb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      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/QZZ7M2498143
    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 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 0x5a130bd40968a37ec1a40750d68fae93646e6833d4ab99df4d0ef084d6e892eb. 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/QZZ7M2498143.
      date published: 2026-07-02T16:51:38Z
    audio: Yuh Huh
album: Southern State Capitals
album: Taco Bell Diva (Vocaloid Ver.)
album: We Be Hyphy! (Synth V Ver.)
album: Sin Wiped! (Synth V Ver.)
album: McFreedom

Yuh Huh
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 119.997
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.952
additional property: Energy
  type: PropertyValue
  value: 0.575
additional property: Speechiness
  type: PropertyValue
  value: 0.118
additional property: Acousticness
  type: PropertyValue
  value: 0.027
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.116
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.058
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.049
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Southern State Capitals
type: MusicAlbum
date published: 2024-11-21

Taco Bell Diva (Vocaloid Ver.)
type: MusicAlbum
date published: 2025-01-27

We Be Hyphy! (Synth V Ver.)
type: MusicAlbum
date published: 2025-02-10

Sin Wiped! (Synth V Ver.)
type: MusicAlbum
date published: 2025-02-11

McFreedom
type: MusicAlbum
date published: 2025-07-05