Kay
type: MusicGroup
genre: latin house
description: The name Kay is both a surname and a given name. In English-speaking countries, it is usually a feminine name, often a short form of Katherine or one of its variants; but it is also used as a first na
popularity: 35
followers: 959
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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  value: https://artists.proofprofile.net/proofs/artist/8dd997d5-674d-42a8-bd25-08cfbd062a63.ots
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ea0019f230dba0dd0ec5396c1436c2eefea9d13d4d9f31f387fbb45a5c93b2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8dd997d5-674d-42a8-bd25-08cfbd062a63.json and https://artists.proofprofile.net/proofs/artist/8dd997d5-674d-42a8-bd25-08cfbd062a63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Tulus Kuberi
  type: MusicAlbum
  date published: 2008-12-03
album: My Name Is Kay / M.A.J.O.R. EP
  type: MusicAlbum
  date published: 2011-01-01
album: Say What You Want
  type: MusicAlbum
  date published: 2012
album: Say What You Want
  type: MusicAlbum
  date published: 2012
album: Say What You Want
  type: MusicAlbum
  date published: 2012
album: My Name Is Kay-EP
  type: MusicAlbum
  date published: 2012-01-01
album: My Name Is Kay-EP
  type: MusicAlbum
  date published: 2012-01-01
album: Say What You Want
  type: MusicAlbum
  date published: 2012-11-13
album: Say What You Want
  type: MusicAlbum
  date published: 2012-11-13
album: Say What You Want
  type: MusicAlbum
  date published: 2013-01-01
album: My Name Is Kay (Deluxe Version)
  type: MusicAlbum
  date published: 2013-01-01
album: My Name Is Kay
  type: MusicAlbum
  date published: 2013-01-01
album: Whatever (Edited Version)
  type: MusicAlbum
  date published: 2013-02-04
album: My Name Is Kay
  type: MusicAlbum
  date published: 2013-10-22
album: My Name Is Kay
  type: MusicAlbum
  date published: 2013-10-22
album: My Name Is Kay
  type: MusicAlbum
  date published: 2014-10-14
album: My Name Is Kay
  type: MusicAlbum
  date published: 2014-10-14
album: Relax
  type: MusicAlbum
  date published: 2018-02-10
album: Nois Tá Flex
  type: MusicAlbum
  date published: 2019-05-31
album: Crush
  type: MusicAlbum
  date published: 2019-10-07
album: Fever
  type: MusicAlbum
  date published: 2019-11-01
album: No One
  type: MusicAlbum
  date published: 2019-11-30
album: Afefe
  type: MusicAlbum
  date published: 2020-04-28
album: Euphoria
  type: MusicAlbum
  date published: 2020-06-19
album: Attention
  type: MusicAlbum
  date published: 2020-07-14
album: Money Rain
  type: MusicAlbum
  date published: 2020-08-01
album: Bad Bitch
  type: MusicAlbum
  date published: 2020-09-01
album: Reina Mora
  type: MusicAlbum
  date published: 2020-09-22
album: Waltz of Moonlight
  type: MusicAlbum
  date published: 2020-12-14
album: On my way up
  type: MusicAlbum
  date published: 2021-05-16
album: Tech With Me (Original Mix)
  type: MusicAlbum
  date published: 2021-06-11
album: Cid 3 (Instrumental Version)
  type: MusicAlbum
  date published: 2021-10-28
album: Matrix Protocol
  type: MusicAlbum
  date published: 2021-11-25
album: Betrayal (with G A Noman)
  type: MusicAlbum
  date published: 2022-07-01
album: 시간에 갇힌 날 The Day Trapped in Time
  type: MusicAlbum
  date published: 2022-09-07
album: sting
  type: MusicAlbum
  date published: 2022-12-07
track: Party All the Time (feat. Kay)
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  duration: PT4M26S
  duration ms: 266929
  explicit: false
  by artist: Darkzy
  by artist: Kay
  in album: We Are Crucast 2
    type: MusicAlbum
    date published: 2019-12-25
  genre: bass-house
  genre: bassline
  genre: old-school-bassline
  isrc code: FRX201943436
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  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 0xbdc1129bb1220bd2f0b21d758ce530010e1a4e93349f52fbf7908b7ddedbc2db. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRX201943436.
    date published: 2026-07-08T03:53:27Z
  audio: Party All the Time (feat. Kay)
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    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
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      value: 5
    additional property: Danceability
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    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
track: Jeden z was (feat. Sokół, Kay)
track: 天生二品 - 2 Drummers Version
track: Każda doba

Jeden z was (feat. Sokół, Kay)
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duration: PT5M2S
duration ms: 302000
explicit: false
by artist: Chada
by artist: Kay
by artist: Sokół
in album: Jeden z was
  type: MusicAlbum
  date published: 2012
isrc code: PLF241200039
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
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
additional property: ProofProfileEvidenceStatus
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b35ed9be679073cf9999ca05e80f562ade98ee428a28e57683b0e0a45499365. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PLF241200039.
  date published: 2026-07-02T03:55:08Z
audio: Jeden z was (feat. Sokół, Kay)
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: C#
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天生二品 - 2 Drummers Version
type: MusicRecording
duration: PT3M27S
duration ms: 207500
explicit: false
by artist: JACE
by artist: Anton
by artist: Kay
in album: Processing
  type: MusicAlbum
  date published: 2021-05-14
genre: cantopop
genre: hk-pop
genre: hong-kong-hip-hop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d2bbc4d96d9c28b9c767f6591a9d5c6da253e2bb2b043fe86ead24ad10162c9. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/HKUM72100044.
  date published: 2026-07-29T12:35:17Z
audio: 天生二品 - 2 Drummers Version
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  additional property: Danceability
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    type: PropertyValue
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isrc code: HKUM72100044
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: ContentHash
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
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  type: PropertyValue
  value: https://blockstream.info/api/block-height/960105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:35:17+00:00
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

Każda doba
type: MusicRecording
duration: PT6M19S
duration ms: 379654
explicit: false
by artist: Łysonżi
by artist: Proceente
by artist: W.E.N.A.
by artist: Pyskaty
by artist: Ero JWP
by artist: Kay
in album: ALOHA 40% vol.2
  type: MusicAlbum
  date published: 2011-12-03
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf354257239f3e955baaaa02b7d416b820f126ca3d0d23b9f270fe4e78bc961f5. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/PLH871300157.
  date published: 2026-07-30T08:33:28Z
audio: Każda doba
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
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    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.754
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.341
  additional property: Acousticness
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    value: 0.101
  additional property: Instrumentalness
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  additional property: Liveness
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    value: 0.309
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.722
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.224
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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isrc code: PLH871300157
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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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

Danceability
type: PropertyValue
value: 0.684

Energy
type: PropertyValue
value: 0.606

Speechiness
type: PropertyValue
value: 0.159

Acousticness
type: PropertyValue
value: 0.003

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.512

Valence (Positivity)
type: PropertyValue
value: 0.041

Loudness (dB)
type: PropertyValue
value: -10.83

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major