HiguUmiSound
type: MusicGroup
popularity: 7
followers: 561
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d0c4b084-1bd7-4141-80a5-aac1fee19528.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d0c4b084-1bd7-4141-80a5-aac1fee19528.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d0c4b084-1bd7-4141-80a5-aac1fee19528
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49318f6845cb63639db9f79f5a0e60440ca23b625fd70c727b198441db55d6a2. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d0c4b084-1bd7-4141-80a5-aac1fee19528.json and https://artists.proofprofile.net/proofs/artist/d0c4b084-1bd7-4141-80a5-aac1fee19528.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
album: Ciconia When they Cry / Platinum Empireo
  type: MusicAlbum
  date published: 2019-09-12
  track: Ciconia When they Cry (feat. Pomexgranate.)
    type: MusicRecording
    duration: PT5M13S
    duration ms: 313375
    explicit: false
    by artist: HiguUmiSound
    in album: Ciconia When they Cry / Platinum Empireo
      type: MusicAlbum
      date published: 2019-09-12
    isrc code: TCJPJ1974573
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T12:03:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2fd0bf4948af1d9b1d1b9dbb9f990ee6d294dd0ce451a0ef7022e4edb4d74643
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1974573
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0x2fd0bf4948af1d9b1d1b9dbb9f990ee6d294dd0ce451a0ef7022e4edb4d74643. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/TCJPJ1974573.
      date published: 2026-07-18T19:27:02Z
    audio: Ciconia When they Cry (feat. Pomexgranate.)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.36
      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: 0.513
      additional property: Energy
        type: PropertyValue
        value: 0.966
      additional property: Speechiness
        type: PropertyValue
        value: 0.183
      additional property: Acousticness
        type: PropertyValue
        value: 0.033
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.33
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.335
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.141
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Platinum Empireo (feat. Pomexgranate.)
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229103
    explicit: false
    by artist: HiguUmiSound
    in album: Ciconia When they Cry / Platinum Empireo
      type: MusicAlbum
      date published: 2019-09-12
    isrc code: TCJPJ1974575
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T02:07:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xab077fb57530f551b1617fa82a74c1941acb64924701c0eae83d489874731011
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1974575
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T03:34:53Z
    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 0xab077fb57530f551b1617fa82a74c1941acb64924701c0eae83d489874731011. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/TCJPJ1974575.
      date published: 2026-07-18T03:34:53Z
    audio: Platinum Empireo (feat. Pomexgranate.)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 169.921
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.463
      additional property: Energy
        type: PropertyValue
        value: 0.978
      additional property: Speechiness
        type: PropertyValue
        value: 0.319
      additional property: Acousticness
        type: PropertyValue
        value: 0.062
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.046
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.414
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.689
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
  track: Last World (feat. Pomexgranate.)
album: Higurashi When They Cry ImageSong ~Yuennooto~
album: Higurashi When They Cry ImageSong ~Hibikiwataru~
album: Higurashi When They Cry ImageSong ~Tsumugiirodoru~

Mode Name
type: PropertyValue
value: Minor

Last World (feat. Pomexgranate.)
type: MusicRecording
duration: PT4M52S
duration ms: 292650
explicit: false
by artist: HiguUmiSound
in album: Ciconia When they Cry / Platinum Empireo
  type: MusicAlbum
  date published: 2019-09-12
isrc code: TCJPJ1974576
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T23:49:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83bd7757c2b123d225ebc1035adb652af78416bd34cd37cfd6d011888865bf62
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959080
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959080
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1974576
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T02:51:02Z
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 0x83bd7757c2b123d225ebc1035adb652af78416bd34cd37cfd6d011888865bf62. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T02:51:02Z), 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/TCJPJ1974576.
  date published: 2026-07-22T02:51:02Z
audio: Last World (feat. Pomexgranate.)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.825
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.736
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.592
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.28
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.106
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Higurashi When They Cry ImageSong ~Yuennooto~
type: MusicAlbum
date published: 2021-08-31

Higurashi When They Cry ImageSong ~Hibikiwataru~
type: MusicAlbum
date published: 2022-08-22

Higurashi When They Cry ImageSong ~Tsumugiirodoru~
type: MusicAlbum
date published: 2022-12-09