King Marcel
type: MusicGroup
genre: anime rap
genre: nerdcore
popularity: 9
followers: 381
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce4320d37ff8923f5a1a9915262370cdb2a31d49aa3815dff5f647253030cdb4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/688bd013-556c-41c7-92b9-fa484fd37f1f.ots
additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4320d37ff8923f5a1a9915262370cdb2a31d49aa3815dff5f647253030cdb4. 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/688bd013-556c-41c7-92b9-fa484fd37f1f.json and https://artists.proofprofile.net/proofs/artist/688bd013-556c-41c7-92b9-fa484fd37f1f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
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album: Spirit
  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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album: KLASH
  type: MusicAlbum
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album: twenty four
  type: MusicAlbum
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album: PT
album: papa freestyle
album: ME N MY FRIENDS
album: ALL OF IT DIES
album: ULTIMATE PANTY STOCKING!
album: FRAUH
track: WHAT A DRAG
track: XXL Nerdcore Freshman Cypher, Pt. 4
track: Za Warudo Cypher

WHAT A DRAG
type: MusicRecording
duration: PT2M12S
duration ms: 132066
explicit: false
by artist: Jamar Rose
by artist: King Marcel
by artist: SHAAH
in album: WHAT A DRAG
  type: MusicAlbum
  date published: 2024-12-22
genre: anime
genre: anime-rap
genre: nerdcore
isrc code: QT3EZ2434086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d2174f7bb032f0554ce637fd6f7e6c3e4df1324b53c3b9aab43a6ee05cec429. 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/QT3EZ2434086.
  date published: 2026-07-02T03:55:08Z
audio: WHAT A DRAG
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  additional property: Tempo (BPM)
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    value: 104.399
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.168
  additional property: Acousticness
    type: PropertyValue
    value: 0.013
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.054
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.839
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.745
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

XXL Nerdcore Freshman Cypher, Pt. 4
type: MusicRecording
duration: PT14M43S
duration ms: 883053
explicit: false
by artist: Jamar Rose
by artist: Ven
by artist: 757shai
by artist: Ky Nova
by artist: Wülf Boi
by artist: King Marcel
by artist: Omeg@ Redd
by artist: Xander Sage
by artist: R-Zeta
by artist: Drip$tick
by artist: Sh!nki
by artist: Keetheweeb
by artist: pdr dax
by artist: TyWeZee
by artist: DA-WOLF
by artist: Shmoke11
by artist: Mix Williams
in album: XXL NERDCORE FRESHMAN CYPHER PART 4 EP
  type: MusicAlbum
  date published: 2024-11-05
genre: anime
genre: anime-rap
genre: nerdcore
isrc code: QZZ792400182
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ792400182
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+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 0x3dea259cfea416e7bc5793a4bcdd9a485c861807402a6dbd2b4620c35d1d78ab. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZZ792400182.
  date published: 2026-07-08T08:56:20Z
audio: XXL Nerdcore Freshman Cypher, Pt. 4
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
    value: 0.486
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.209
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.343
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.162
  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
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Za Warudo Cypher
type: MusicRecording
duration: PT9M36S
duration ms: 576000
explicit: false
by artist: Callon B
by artist: Jamar Rose
by artist: Otaku Underworld
by artist: Rumble World
by artist: DavDee
by artist: Lord Death
by artist: Shmoke11
by artist: Delta Deez
by artist: Sl!ck
by artist: AudeeGotClout
by artist: JaronOnTheBeat
by artist: GODZtheDon
by artist: Chrissa SJE
by artist: Hari Upfront
by artist: King Marcel
by artist: Freesoul
by artist: Dr. Marmal8
by artist: Galickz
by artist: AsaphDaKing
by artist: HazTik
by artist: Baby Yuki
by artist: Sivade
in album: Crimson Junk II
  type: MusicAlbum
  date published: 2024-10-12
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c0387b305d22932579f2b858de837b95d39970a5134b06386e3d4586c073c3. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/QZWFM2448849.
  date published: 2026-07-30T20:45:02Z
audio: Za Warudo Cypher
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.33
  additional property: Acousticness
    type: PropertyValue
    value: 0.018
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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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: Ab
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    value: Minor
isrc code: QZWFM2448849
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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  value: 2026-07-30T20:45:02+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFM2448849
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960311
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

PT
type: MusicAlbum
date published: 2025-03-22

papa freestyle
type: MusicAlbum
date published: 2025-04-19

ME N MY FRIENDS
type: MusicAlbum
date published: 2025-08-02

ALL OF IT DIES
type: MusicAlbum
date published: 2025-09-13

ULTIMATE PANTY STOCKING!
type: MusicAlbum
date published: 2025-09-19

FRAUH
type: MusicAlbum
date published: 2025-10-18