k4mi
type: MusicGroup
popularity: 5
followers: 178
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83bdc1469ed797d46e2ad9ed77d927f9b148afa93202947ba0db04c095bb1176
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/71f18876-8297-410d-9527-1a2c681db6a7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/71f18876-8297-410d-9527-1a2c681db6a7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/71f18876-8297-410d-9527-1a2c681db6a7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0x83bdc1469ed797d46e2ad9ed77d927f9b148afa93202947ba0db04c095bb1176. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/71f18876-8297-410d-9527-1a2c681db6a7.json and https://artists.proofprofile.net/proofs/artist/71f18876-8297-410d-9527-1a2c681db6a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Zadzwoń
  type: MusicAlbum
  date published: 2023-10-06
album: †††
  type: MusicAlbum
  date published: 2024-03-01
album: Sprite
  type: MusicAlbum
  date published: 2024-04-26
album: gengar*
  type: MusicAlbum
  date published: 2024-05-10
album: R3ST4RT! EP
  type: MusicAlbum
  date published: 2024-05-17
album: 34muzycznie. (1)
  type: MusicAlbum
  date published: 2024-06-07
album: ZL34NOWANY! + PAYDAY
  type: MusicAlbum
  date published: 2024-06-21
album: JAK ZAPOMNIEC?
  type: MusicAlbum
  date published: 2024-07-17
album: 34muzycznie.
  type: MusicAlbum
  date published: 2024-08-09
album: TOO MUCH!
  type: MusicAlbum
  date published: 2024-08-30
album: MILION CYFR*
  type: MusicAlbum
  date published: 2024-09-11
album: 3x4
  type: MusicAlbum
  date published: 2024-09-20
album: zatrzymac czas
  type: MusicAlbum
  date published: 2024-11-15
album: eksperyment/falsz
  type: MusicAlbum
  date published: 2024-12-15
album: K4MI SIE SKONCZYL
  type: MusicAlbum
  date published: 2025-01-24
album: NIEODEBRANE POŁĄCZENIE
  type: MusicAlbum
  date published: 2025-02-22
album: LET'S GET!
  type: MusicAlbum
  date published: 2025-03-15
album: K4MI SIĘ SKOŃCZYŁ
  type: MusicAlbum
  date published: 2025-04-03
album: ROBIETONOCAMI!
  type: MusicAlbum
  date published: 2025-05-02
  track: ROBIETONOCAMI!
    type: MusicRecording
    duration: PT1M27S
    duration ms: 87724
    explicit: false
    by artist: k4mi
    in album: ROBIETONOCAMI!
      type: MusicAlbum
      date published: 2025-05-02
    isrc code: PLC062524640
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T01:21:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb63dcf258d327a8874e20a0c5116d2ad4447fda1739d53142979c550fbdfce5b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959087
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959087
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062524640
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T02:05:55Z
    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 0xb63dcf258d327a8874e20a0c5116d2ad4447fda1739d53142979c550fbdfce5b. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/PLC062524640.
      date published: 2026-07-22T02:05:55Z
    audio: ROBIETONOCAMI!
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.125
      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: 0.609
      additional property: Energy
        type: PropertyValue
        value: 0.734
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.922
      additional property: Liveness
        type: PropertyValue
        value: 0.29
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.335
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.623
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: NAGMINNIE
  type: MusicAlbum
  date published: 2025-06-27
album: TAK JAK K4MI
  type: MusicAlbum
  date published: 2025-08-08
  track: TAK JAK K4MI
    type: MusicRecording
    duration: PT1M45S
    duration ms: 105672
    explicit: false
    by artist: k4mi
    in album: TAK JAK K4MI
      type: MusicAlbum
      date published: 2025-08-08
    isrc code: PLC062542445
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T17:48:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc4a60dfef4fa89cd74005397b5c8b10aed0d5d0d15cfd151b3c8a574762464bf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: TAK JAK K4MI
album: WARSZAWA

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 959163

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959163

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062542445

OTSTimestamp
type: PropertyValue
value: 2026-07-22T18:47:29Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4a60dfef4fa89cd74005397b5c8b10aed0d5d0d15cfd151b3c8a574762464bf. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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/PLC062542445.
date published: 2026-07-22T18:47:29Z

TAK JAK K4MI
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 74.425
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.497
additional property: Energy
  type: PropertyValue
  value: 0.753
additional property: Speechiness
  type: PropertyValue
  value: 0.154
additional property: Acousticness
  type: PropertyValue
  value: 0.017
additional property: Instrumentalness
  type: PropertyValue
  value: 0.004
additional property: Liveness
  type: PropertyValue
  value: 0.149
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.067
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.333
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

WARSZAWA
type: MusicAlbum
date published: 2025-10-17