Marcoo5k
type: MusicGroup
popularity: 7
followers: 3999
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1409e4f9bf401da80b52df40f5a1776a9fa5976a93ece17cde2aab79f309641
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de4bead2-5d0b-4734-88fb-7d7eb289f8bb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de4bead2-5d0b-4734-88fb-7d7eb289f8bb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/de4bead2-5d0b-4734-88fb-7d7eb289f8bb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
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 0xc1409e4f9bf401da80b52df40f5a1776a9fa5976a93ece17cde2aab79f309641. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de4bead2-5d0b-4734-88fb-7d7eb289f8bb.json and https://artists.proofprofile.net/proofs/artist/de4bead2-5d0b-4734-88fb-7d7eb289f8bb.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T06:14:42Z
album: D.P.W.T
  type: MusicAlbum
  date published: 2018-06-01
album: Testimony
  type: MusicAlbum
  date published: 2018-11-08
album: City Girls
  type: MusicAlbum
  date published: 2019-04-09
album: Facts
  type: MusicAlbum
  date published: 2019-09-13
album: Facts
  type: MusicAlbum
  date published: 2019-09-16
album: 5k Run
  type: MusicAlbum
  date published: 2019-10-25
  track: Facts
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148334
    explicit: true
    by artist: Marcoo5k
    in album: 5k Run
      type: MusicAlbum
      date published: 2019-10-25
    isrc code: QZHN81938610
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T18:47:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe31344dc93ef048bdb3b38ec7bd940992eafafb088e3290fc5afd34d060f1b25
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958444
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958444
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN81938610
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:12:23Z
    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 0xe31344dc93ef048bdb3b38ec7bd940992eafafb088e3290fc5afd34d060f1b25. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN81938610 — a six-check JSON result.
      date published: 2026-07-17T19:12:23Z
    audio: Facts
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.066
      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: 0.888
      additional property: Energy
        type: PropertyValue
        value: 0.438
      additional property: Speechiness
        type: PropertyValue
        value: 0.481
      additional property: Acousticness
        type: PropertyValue
        value: 0.065
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.048
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.789
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.619
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Kaleah
  type: MusicAlbum
  date published: 2020-01-06
album: Rain
  type: MusicAlbum
  date published: 2020-01-28
album: 5:55 (Upload)
  type: MusicAlbum
  date published: 2021-02-12
album: Facts Too (Ayeeeee)
  type: MusicAlbum
  date published: 2021-04-09
album: 5 Kidd
  type: MusicAlbum
  date published: 2021-06-19
album: War Wounds
  type: MusicAlbum
  date published: 2021-10-09
album: DUE DATE
  type: MusicAlbum
  date published: 2022-03-07
album: Tummy Tuck
  type: MusicAlbum
  date published: 2023-08-25
album: Drop
  type: MusicAlbum
  date published: 2023-10-20
album: Lost Files
  type: MusicAlbum
  date published: 2023-11-04
album: Wake Up
  type: MusicAlbum
  date published: 2025-09-05