Leetspeak monsters
type: MusicGroup
genre: j-rock
genre: visual kei
description: Leetspeak Monsters (stylized as Leetspeak monsters) is a Japanese visual kei rock band whose songs and appearance are centered around Halloween and dark fantasy themes. The band members perform as cha
popularity: 19
followers: 9006
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  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
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  date published: 2026-06-15T00:33:41Z
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album: Waiting in the closet of your heart…
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album: Three nights in the wonder box
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album: GRAVE TOWN
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      date published: 2014-10-31
    genre: j-rock
    genre: visual kei
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-17T11:10:25Z
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  track: Black Cat
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    genre: j-rock
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T01:43:49Z
    audio: Black Cat
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album: GOODNIGHT and SWEETNIGHTMARE
album: Monster's Party
album: Storyteller in the Strange Night
album: Mixtured night between Life and Death
album: Monster's Theater (ゴシック盤)
album: This is Halloween
album: 13th Friday night
album: Monster's TheaterⅡ (Limited Edition)
album: Monster's TheaterⅡ (初回盤)
album: Monster's TheaterⅡ (通常盤)
album: Monster's TheaterⅡ (Normal Edition)
album: Monster’s TheaterⅡ
album: Beltane
album: Samhain
album: Graveyard
album: Phantom troops
album: Monster's TheaterⅢ
album: Room 666

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Valence (Positivity)
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value: -3.445

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Mode Name
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GOODNIGHT and SWEETNIGHTMARE
type: MusicAlbum
date published: 2015-10-14

Monster's Party
type: MusicAlbum
date published: 2017-03-15

Storyteller in the Strange Night
type: MusicAlbum
date published: 2017-09-20

Mixtured night between Life and Death
type: MusicAlbum
date published: 2018-03-21

Monster's Theater (ゴシック盤)
type: MusicAlbum
date published: 2018-07-11

This is Halloween
type: MusicAlbum
date published: 2018-10-03

13th Friday night
type: MusicAlbum
date published: 2019-04-03

Monster's TheaterⅡ (Limited Edition)
type: MusicAlbum
date published: 2019-10-09

Monster's TheaterⅡ (初回盤)
type: MusicAlbum
date published: 2019-10-09

Monster's TheaterⅡ (通常盤)
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date published: 2019-10-09
track: Gothic
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    type: MusicAlbum
    date published: 2019-10-09
  genre: j-rock
  genre: visual kei
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    date published: 2026-07-06T01:25:57Z
  audio: Gothic
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Monster's TheaterⅡ (Normal Edition)
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date published: 2019-10-09
track: 13th Friday night
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T09:26:32Z
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Monster’s TheaterⅡ
type: MusicAlbum
date published: 2019-10-09

Beltane
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Beltane
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Samhain
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Graveyard
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date published: 2022-06-22

Phantom troops
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date published: 2022-10-26

Monster's TheaterⅢ
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date published: 2023-10-18
track: Beltane
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    type: MusicAlbum
    date published: 2023-10-18
  genre: j-rock
  genre: visual kei
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T01:26:17Z
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track: Samhain
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    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 0x1adf260a7f6f88b77ceae00f08a9e0ce2b203004e2359dd72b10b20724e9968e. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T03:18:09Z), 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/JPL542300772.
    date published: 2026-07-21T03:18:09Z
  audio: Samhain
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.484
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.573
    additional property: Energy
      type: PropertyValue
      value: 0.927
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.387
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.704
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Graveyard
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220000
  explicit: false
  by artist: Leetspeak monsters
  in album: Monster's TheaterⅢ
    type: MusicAlbum
    date published: 2023-10-18
  genre: j-rock
  genre: visual kei
  isrc code: JPL542300774
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T17:34:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x49c780f855049c9bfdfbd354e7868a6fb6f0a4908e8632cc149bb0cafec9e8bd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Graveyard

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956738

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPL542300774

OTSTimestamp
type: PropertyValue
value: 2026-07-05T04:47:21Z

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 0x49c780f855049c9bfdfbd354e7868a6fb6f0a4908e8632cc149bb0cafec9e8bd. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPL542300774.
date published: 2026-07-05T04:47:21Z

Graveyard
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 169.968
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.401
additional property: Energy
  type: PropertyValue
  value: 0.985
additional property: Speechiness
  type: PropertyValue
  value: 0.199
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.162
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.23
additional property: Loudness (dB)
  type: PropertyValue
  value: -2.677
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

Room 666
type: MusicAlbum
date published: 2024-10-02
track: Room 666
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220673
  explicit: false
  by artist: Leetspeak monsters
  in album: Room 666
    type: MusicAlbum
    date published: 2024-10-02
  genre: j-rock
  genre: visual kei
  isrc code: JPL542400956
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T12:31:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbfcf275d89bd02f243359bb5afadc1e55f8576137a4658fd5d7769e17ba42a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPL542400956
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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 0xfbfcf275d89bd02f243359bb5afadc1e55f8576137a4658fd5d7769e17ba42a5. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPL542400956.
    date published: 2026-07-17T19:12:23Z
  audio: Room 666
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 181.886
    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: 0.501
    additional property: Energy
      type: PropertyValue
      value: 0.855
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.686
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.952
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor