Matt Legacy
type: MusicGroup
popularity: 12
followers: 383
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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  value: 2026-06-14T04:52:46Z
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c4eea713d0c1e7300ba112f9b721bb4a4a464a0bba95d74b9faf8d180f3620. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/02dd1cda-30b2-49b0-859e-09b20b9b1d23.json and https://artists.proofprofile.net/proofs/artist/02dd1cda-30b2-49b0-859e-09b20b9b1d23.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T05:36:59Z
  text: {"copyright_id":"0xd8c4eea713d0c1e7300ba112f9b721bb4a4a464a0bba95d74b9faf8d180f3620","name":"Matt Legacy","registered_at":"2026-06-14T04:42:35Z","symbol":"NIM0341921","token_address":"0xedde6072c8656a8a3032ffc4c176501d7cbfda19","type":"artist","uuid":"02dd1cda-30b2-49b0-859e-09b20b9b1d23"}
album: Cloud 9 Freestyle
  type: MusicAlbum
  date published: 2021-05-07
album: Juice The EP
  type: MusicAlbum
  date published: 2021-08-03
album: Juice The EP
  type: MusicAlbum
  date published: 2021-08-03
  track: Thot Throwed
    type: MusicRecording
    duration: PT1M40S
    duration ms: 100623
    explicit: true
    by artist: Matt Legacy
    in album: Juice The EP
      type: MusicAlbum
      date published: 2021-08-03
    isrc code: QZK6H2123810
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6H2123810
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T23:58:45Z
    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 0xba8aa3635773c7d8c60d48c8a040e02fc715820d9d80e1a8cb2e24f0296aa7b2. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/QZK6H2123810.
      date published: 2026-07-13T23:58:45Z
    audio: Thot Throwed
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.813
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.779
      additional property: Energy
        type: PropertyValue
        value: 0.608
      additional property: Speechiness
        type: PropertyValue
        value: 0.482
      additional property: Acousticness
        type: PropertyValue
        value: 0.401
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.13
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.546
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.801
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: The Cassette Tape
  type: MusicAlbum
  date published: 2021-08-03
album: Money Doesn't Buy Happiness
  type: MusicAlbum
  date published: 2021-08-15
album: Kobe(24/8)
  type: MusicAlbum
  date published: 2021-09-21
album: No friends in the industry
  type: MusicAlbum
  date published: 2021-12-17
album: Juice The Ep, Vol. 2
  type: MusicAlbum
  date published: 2022-04-26
album: Juice, Vol. 2
  type: MusicAlbum
  date published: 2022-04-26
  track: Knife Talk
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166635
    explicit: true
    by artist: Matt Legacy
    in album: Juice, Vol. 2
      type: MusicAlbum
      date published: 2022-04-26
    isrc code: QZHN72259671
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-19T02:36:14Z
    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 0xc423ea1404d14a3767e5513530f01df84667007e67823abb4bb796ab0f11155d. Chain 2 (Bitcoin): anchored in block 958647 (2026-07-19T02:36:14Z), 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/QZHN72259671.
      date published: 2026-07-19T02:36:14Z
    audio: Knife Talk
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.867
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      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
album: Legs Hips and Body Gmix
album: Cry For You JerseyMix
album: Set It Off By Myself
album: HDBG (Matt Legacy Mix)
album: Juice The EP vOL.3
album: The Cassette Tap, Vol. 2
album: Touch it (Legacy Mix)
album: Blessed (Mix)
album: Don't play (Gmix)
album: Shake Sum (Remix)
album: Act ii 4batz (gmix)
album: Down 4 Me
album: Pieces (Jersey Club Mix)
album: Run That Back
album: Eat'Em Up
album: Pretty Girls (Legacy Mix)
album: Love is A Drug, Vol. 1

Danceability
type: PropertyValue
value: 0.831

Energy
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value: 0.457

Speechiness
type: PropertyValue
value: 0.331

Acousticness
type: PropertyValue
value: 0.184

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.078

Valence (Positivity)
type: PropertyValue
value: 0.122

Loudness (dB)
type: PropertyValue
value: -8.501

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Juice, Vol. 2
type: MusicAlbum
date published: 2022-04-26

Legs Hips and Body Gmix
type: MusicAlbum
date published: 2022-06-04

Cry For You JerseyMix
type: MusicAlbum
date published: 2022-07-22

Set It Off By Myself
type: MusicAlbum
date published: 2022-08-12

HDBG (Matt Legacy Mix)
type: MusicAlbum
date published: 2022-09-02

Juice The EP vOL.3
type: MusicAlbum
date published: 2022-10-21

The Cassette Tap, Vol. 2
type: MusicAlbum
date published: 2022-11-14

Touch it (Legacy Mix)
type: MusicAlbum
date published: 2023-01-20

Touch it (Legacy Mix)
type: MusicAlbum
date published: 2023-01-20

Blessed (Mix)
type: MusicAlbum
date published: 2023-02-01

Don't play (Gmix)
type: MusicAlbum
date published: 2023-03-24

Shake Sum (Remix)
type: MusicAlbum
date published: 2023-06-09

Act ii 4batz (gmix)
type: MusicAlbum
date published: 2024-03-16

Down 4 Me
type: MusicAlbum
date published: 2024-04-14

Pieces (Jersey Club Mix)
type: MusicAlbum
date published: 2024-04-28

Run That Back
type: MusicAlbum
date published: 2024-08-09

Eat'Em Up
type: MusicAlbum
date published: 2025-06-09

Pretty Girls (Legacy Mix)
type: MusicAlbum
date published: 2025-06-19

Love is A Drug, Vol. 1
type: MusicAlbum
date published: 2025-11-11