umbrella
type: MusicGroup
genre: happy hardcore
genre: hardcore techno
genre: j-rock
genre: speedcore
genre: visual kei
description: thumb|An umbrella alt=|thumb|Woman holding a parapluie at Zenkō-ji, Nagano, JapanAn umbrella (parasol or rarely parapluie) is a folding canopy supported by wooden or metal ribs that is mounted on a wo
popularity: 12
followers: 4500
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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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 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
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  date published: 2026-06-14T07:39:50Z
album: kinematograph
  type: MusicAlbum
  date published: 2015-06-21
album: Alain
  type: MusicAlbum
  date published: 2016
album: Yoru no curtain
  type: MusicAlbum
  date published: 2016
album: アラン
  type: MusicAlbum
  date published: 2016-02-17
album: 管
  type: MusicAlbum
  date published: 2017-10-18
album: ダーウィン
  type: MusicAlbum
  date published: 2018-05-30
album: Darwin
  type: MusicAlbum
  date published: 2018-08-01
album: Frontier
  type: MusicAlbum
  date published: 2018-11-25
album: Kuda
  type: MusicAlbum
  date published: 2018-11-25
album: 揺れる傘、廻る歯車
  type: MusicAlbum
  date published: 2019-02-11
album: Yureru Kasa Mawaru Haguruma
  type: MusicAlbum
  date published: 2019-02-11
album: libido
  type: MusicAlbum
  date published: 2019-06-12
album: Amayadori (（Re:arrange side）)
  type: MusicAlbum
  date published: 2020-11-23
album: gumon
  type: MusicAlbum
  date published: 2021-06-11
album: mure
  type: MusicAlbum
  date published: 2022-06-06
album: Amazing
  type: MusicAlbum
  date published: 2022-07-22
album: HALO
  type: MusicAlbum
  date published: 2022-08-23
album: orbit
  type: MusicAlbum
  date published: 2022-09-25
album: vector
  type: MusicAlbum
  date published: 2022-11-02
album: Kill Fake
  type: MusicAlbum
  date published: 2022-11-13
album: dilemma
  type: MusicAlbum
  date published: 2023-06-11
album: solitude
  type: MusicAlbum
  date published: 2023-11-11
album: monochrome
  type: MusicAlbum
  date published: 2024-05-15
album: Kasa wa iranai
  type: MusicAlbum
  date published: 2024-06-11
album: レヴ
  type: MusicAlbum
  date published: 2025-10-11
track: Olive
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    date published: 2014-04-02
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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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 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe99302557cb08665545b97033e1cc779f8871ce6994cdfbcc0aed145d40ff797. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPP561100330.
    date published: 2026-07-08T03:20:19Z
  audio: Olive
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    additional property: Loudness (dB)
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track: Optical Force
track: Black and Silver

Optical Force
type: MusicRecording
duration: PT5M46S
duration ms: 346960
explicit: false
by artist: umbrella
in album: Hardcore Syndrome
  type: MusicAlbum
  date published: 2011-12-21
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaecee46f79224ae4e0340d16e5c14443b8a3e5abcdbc4299e795292e57b84ec. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/JPP561100010.
  date published: 2026-07-29T14:28:24Z
audio: Optical Force
  type: AudioObject
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  additional property: Valence (Positivity)
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Black and Silver
type: MusicRecording
duration: PT7M53S
duration ms: 473573
explicit: false
by artist: umbrella
in album: Digital Generation
  type: MusicAlbum
  date published: 2011-12-21
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additional property: CopyrightStatus
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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
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19Z
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 0x8d14a7cd41bcc43c9e6081ac70d58a8798931f51ba427adcc9facd9e85308c69. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPP561100081.
  date published: 2026-07-08T03:20:19Z
audio: Black and Silver
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  additional property: Acousticness
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