HOYA
type: MusicGroup
description: Hoya may refer to: Places Hoya, Germany, a city in Lower Saxony, Germany County of Hoya, a former state in present Germany Hōya, Tokyo, now incorporated within Nishi-tokyo, Tokyo, Japan Hoya, Hpruso,
popularity: 15
followers: 22240
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e3f60ed651f0aa374ff0b495bb67c08579065114f854ea65227b9dcd423d717
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953697
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953697
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6440ecbf-815f-4695-a49b-b20552e00bb5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6440ecbf-815f-4695-a49b-b20552e00bb5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6440ecbf-815f-4695-a49b-b20552e00bb5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:49:28Z
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 0x7e3f60ed651f0aa374ff0b495bb67c08579065114f854ea65227b9dcd423d717. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6440ecbf-815f-4695-a49b-b20552e00bb5.json and https://artists.proofprofile.net/proofs/artist/6440ecbf-815f-4695-a49b-b20552e00bb5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
album: Angel
  type: MusicAlbum
  date published: 2018-03-14
  track: Angel
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214000
    explicit: false
    by artist: HOYA
    in album: Angel
      type: MusicAlbum
      date published: 2018-03-14
    isrc code: KRB471800385
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T15:30:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x81bfa8848b8da33bbf1023b40bac5332f812714e3a705458a657146591f87102
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957872
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957872
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB471800385
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T15:39:45Z
    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 0x81bfa8848b8da33bbf1023b40bac5332f812714e3a705458a657146591f87102. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/KRB471800385.
      date published: 2026-07-13T15:39:45Z
    audio: Angel
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 170.454
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.464
      additional property: Energy
        type: PropertyValue
        value: 0.529
      additional property: Speechiness
        type: PropertyValue
        value: 0.282
      additional property: Acousticness
        type: PropertyValue
        value: 0.746
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.122
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.225
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.599
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Shower
  type: MusicAlbum
  date published: 2018-03-28
album: BABY U
  type: MusicAlbum
  date published: 2018-09-12
album: Shower (Special Edition)
  type: MusicAlbum
  date published: 2019-01-23
album: 1AM
  type: MusicAlbum
  date published: 2021-06-09
album: Night in LA
  type: MusicAlbum
  date published: 2023-09-23
  track: Night in LA
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156640
    explicit: false
    by artist: HOYA
    in album: Night in LA
      type: MusicAlbum
      date published: 2023-09-23
    isrc code: KRB462300998
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T09:59:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x17bd5ffdb56e20cab0c0fd91cc9b0232bc669988afcbfdb52904dcd30ed56c14
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958865
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958865
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB462300998
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T10:33:49Z
    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 0x17bd5ffdb56e20cab0c0fd91cc9b0232bc669988afcbfdb52904dcd30ed56c14. Chain 2 (Bitcoin): anchored in block 958865 (2026-07-20T10:33:49Z), 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/KRB462300998.
      date published: 2026-07-20T10:33:49Z
    audio: Night in LA
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.992
      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: 0.747
      additional property: Energy
        type: PropertyValue
        value: 0.543
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Deserve
track: Ooh Ooh

Acousticness
type: PropertyValue
value: 0.444

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.154

Valence (Positivity)
type: PropertyValue
value: 0.653

Loudness (dB)
type: PropertyValue
value: -5.226

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Deserve
type: MusicAlbum
date published: 2023-12-18

Ooh Ooh
type: MusicRecording
duration: PT3M15S
duration ms: 195273
explicit: false
by artist: Eric Nam
by artist: HOYA
in album: Ooh Ooh
  type: MusicAlbum
  date published: 2014-04-08
genre: k-pop
isrc code: KRA491400487
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:14:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b7211abefabf6bf4f24bede552fe063d16abc0e8646024a9802761dc0912ad6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA491400487
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x2b7211abefabf6bf4f24bede552fe063d16abc0e8646024a9802761dc0912ad6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA491400487.
  date published: 2026-06-13T13:32:09Z
audio: Ooh Ooh
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.961
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.63
  additional property: Energy
    type: PropertyValue
    value: 0.907
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.178
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.387
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.848
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.044
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor