Metro Zu Archive
type: MusicGroup
genre: cloud rap
popularity: 8
followers: 134
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15840f15e2f58304164cc16fd20a091048e13acadbb09f3296d690a10101e512
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954553
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954553
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab4925e6-1c54-452f-89ff-eb7ae33dac0c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab4925e6-1c54-452f-89ff-eb7ae33dac0c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ab4925e6-1c54-452f-89ff-eb7ae33dac0c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T11:51:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x15840f15e2f58304164cc16fd20a091048e13acadbb09f3296d690a10101e512","name":"Metro Zu Archive","registered_at":"2026-06-20T09:36:43Z","symbol":"NIM1582008","token_address":"0xe4493977aa07ae297ac996072b192a24c4680cff","type":"artist","uuid":"ab4925e6-1c54-452f-89ff-eb7ae33dac0c"}
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 0x15840f15e2f58304164cc16fd20a091048e13acadbb09f3296d690a10101e512. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab4925e6-1c54-452f-89ff-eb7ae33dac0c.json and https://artists.proofprofile.net/proofs/artist/ab4925e6-1c54-452f-89ff-eb7ae33dac0c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
  text: {"copyright_id":"0x15840f15e2f58304164cc16fd20a091048e13acadbb09f3296d690a10101e512","name":"Metro Zu Archive","registered_at":"2026-06-20T09:36:43Z","symbol":"NIM1582008","token_address":"0xe4493977aa07ae297ac996072b192a24c4680cff","type":"artist","uuid":"ab4925e6-1c54-452f-89ff-eb7ae33dac0c"}
album: Kingdom Hearts
  type: MusicAlbum
  date published: 2012-04-12
  track: Kingdom Hearts
    type: MusicRecording
    duration: PT4M28S
    duration ms: 268564
    explicit: true
    by artist: Metro Zu Archive
    in album: Kingdom Hearts
      type: MusicAlbum
      date published: 2012-04-12
    genre: cloud rap
    isrc code: QZWFQ2598315
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T19:31:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6975a0f0bda367e1c2b1b32e8b71425333b630b43f896eb931e3bcf0d6abf786
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958931
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958931
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFQ2598315
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:15:01Z
    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 0x6975a0f0bda367e1c2b1b32e8b71425333b630b43f896eb931e3bcf0d6abf786. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QZWFQ2598315.
      date published: 2026-07-20T21:15:01Z
    audio: Kingdom Hearts
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.057
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.557
      additional property: Energy
        type: PropertyValue
        value: 0.774
      additional property: Speechiness
        type: PropertyValue
        value: 0.072
      additional property: Acousticness
        type: PropertyValue
        value: 0.4
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.286
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.791
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.423
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: PaperStakk
  type: MusicAlbum
  date published: 2012-04-16
  track: PaperStakk
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249965
    explicit: true
    by artist: Metro Zu Archive
    in album: PaperStakk
      type: MusicAlbum
      date published: 2012-04-16
    genre: cloud rap
    isrc code: QZZ7N2444762
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T17:04:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbbcdf150f5915dca96457f229c90799072141427ca6eb6753ee438edbc975dd1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7N2444762
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0xbbcdf150f5915dca96457f229c90799072141427ca6eb6753ee438edbc975dd1. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZZ7N2444762.
      date published: 2026-07-05T01:12:41Z
    audio: PaperStakk
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.993
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.549
      additional property: Energy
        type: PropertyValue
        value: 0.642
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.026
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.382
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Lemonkush
album: White Cube
album: Cheratussin Intellect
album: paypah
album: Sell Ma Ho
album: Pantheon

Valence (Positivity)
type: PropertyValue
value: 0.42

Loudness (dB)
type: PropertyValue
value: -10.008

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Lemonkush
type: MusicAlbum
date published: 2013-08-17

White Cube
type: MusicAlbum
date published: 2013-09-20

Cheratussin Intellect
type: MusicAlbum
date published: 2014-09-12
track: Cheratussin Intellect
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133680
  explicit: true
  by artist: Metro Zu Archive
  in album: Cheratussin Intellect
    type: MusicAlbum
    date published: 2014-09-12
  genre: cloud rap
  isrc code: QT3EX2433125
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T18:45:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x973b1259afc4313f58ee6b4f3c8a5609771ea18932d47a5dca127e2b55103b96
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3EX2433125
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T19:42:29Z
  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 0x973b1259afc4313f58ee6b4f3c8a5609771ea18932d47a5dca127e2b55103b96. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QT3EX2433125.
    date published: 2026-07-16T19:42:29Z
  audio: Cheratussin Intellect
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.961
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.725
    additional property: Energy
      type: PropertyValue
      value: 0.929
    additional property: Speechiness
      type: PropertyValue
      value: 0.139
    additional property: Acousticness
      type: PropertyValue
      value: 0.176
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.299
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.939
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.69
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

paypah
type: MusicAlbum
date published: 2014-12-24

Sell Ma Ho
type: MusicAlbum
date published: 2024-12-03

Pantheon
type: MusicAlbum
date published: 2024-12-03
track: Pantheon
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189727
  explicit: true
  by artist: Metro Zu Archive
  in album: Pantheon
    type: MusicAlbum
    date published: 2024-12-03
  genre: cloud rap
  isrc code: QZZ7S2405393
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T02:27:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5c6ae976f1d042d13df25589a048a9d7ed2c7edae1356da1c011163476265371
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959094
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959094
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7S2405393
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T03:33:16Z
  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 0x5c6ae976f1d042d13df25589a048a9d7ed2c7edae1356da1c011163476265371. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/QZZ7S2405393.
    date published: 2026-07-22T03:33:16Z
  audio: Pantheon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.909
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.668
    additional property: Energy
      type: PropertyValue
      value: 0.597
    additional property: Speechiness
      type: PropertyValue
      value: 0.28
    additional property: Acousticness
      type: PropertyValue
      value: 0.345
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.618
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.551
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.737
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major