1ofthelastmcs
type: MusicGroup
genre: drill
genre: new york drill
popularity: 7
followers: 171
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfba50d1d7314e71d925ed7290352e9eda27e44ea8ff13ff3648e3fbdb28c35a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eabe7619-53c8-4d03-9a3f-e31f4454050a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eabe7619-53c8-4d03-9a3f-e31f4454050a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/eabe7619-53c8-4d03-9a3f-e31f4454050a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba50d1d7314e71d925ed7290352e9eda27e44ea8ff13ff3648e3fbdb28c35a6. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eabe7619-53c8-4d03-9a3f-e31f4454050a.json and https://artists.proofprofile.net/proofs/artist/eabe7619-53c8-4d03-9a3f-e31f4454050a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
album: Pain in
  type: MusicAlbum
  date published: 2020-09-16
album: Lyrical Fire Arm
  type: MusicAlbum
  date published: 2020-09-17
album: Kappin'
  type: MusicAlbum
  date published: 2020-10-12
album: Dead Ties
  type: MusicAlbum
  date published: 2020-12-15
album: Return of the sage
  type: MusicAlbum
  date published: 2022-05-27
album: Deamons
  type: MusicAlbum
  date published: 2022-06-15
album: Sgkanthem
  type: MusicAlbum
  date published: 2023-09-13
album: Chrome hearts
  type: MusicAlbum
  date published: 2023-10-21
album: Lost
  type: MusicAlbum
  date published: 2023-10-22
album: Deli freestyle
  type: MusicAlbum
  date published: 2023-12-25
album: Drowning
  type: MusicAlbum
  date published: 2024-01-05
album: SHOT AFTER SHOT
  type: MusicAlbum
  date published: 2024-01-24
album: Resurrection of pun
  type: MusicAlbum
  date published: 2024-02-24
album: Ybtw?
  type: MusicAlbum
  date published: 2024-05-11
album: No Hook
  type: MusicAlbum
  date published: 2024-08-01
  track: No Hook
    type: MusicRecording
    duration: PT2M45S
    duration ms: 165960
    explicit: true
    by artist: 1ofthelastmcs
    in album: No Hook
      type: MusicAlbum
      date published: 2024-08-01
    genre: drill
    genre: new york drill
    isrc code: QZTAZ2484203
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T20:54:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7836acc13a3dd53fad3c6b0ca1b2875ab0d4789aa17c9f8e63393275930d10d3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958455
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958455
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAZ2484203
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T21:28:36Z
    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 0x7836acc13a3dd53fad3c6b0ca1b2875ab0d4789aa17c9f8e63393275930d10d3. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZTAZ2484203.
      date published: 2026-07-17T21:28:36Z
    audio: No Hook
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 143.149
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.656
      additional property: Energy
        type: PropertyValue
        value: 0.779
      additional property: Speechiness
        type: PropertyValue
        value: 0.295
      additional property: Acousticness
        type: PropertyValue
        value: 0.401
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.166
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.737
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.242
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Blood on the leaves
  type: MusicAlbum
  date published: 2024-11-24
album: End game
  type: MusicAlbum
  date published: 2024-11-24
album: CRASHOUTS, Vol. 1
  type: MusicAlbum
  date published: 2025-05-30
  track: NESSUN RIMORSO
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164394
    explicit: true
    by artist: 1ofthelastmcs
    in album: CRASHOUTS, Vol. 1
      type: MusicAlbum
      date published: 2025-05-30
    genre: drill
    genre: new york drill
    isrc code: QZNWX2595520
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T10:11:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x67989d8b1366ddf761e577a02ec3b6ff444712f49bd56afe31b4b3d204ae7faf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959123
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: NESSUN RIMORSO
album: Why would you
track: Please Don't Run

Please Don't Run
type: MusicRecording
duration: PT2M32S
duration ms: 152608
explicit: false
by artist: 44REEL
by artist: Jay Hound
by artist: 1ofthelastmcs
in album: Please Don't Run
  type: MusicAlbum
  date published: 2023-11-28
isrc code: QZWFH2343915
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:00:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72c0e23c56d47d388b32d56ad0f322a14f0ab500f2c63c46fbd26e8a77a90387
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFH2343915
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+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
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+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 0x72c0e23c56d47d388b32d56ad0f322a14f0ab500f2c63c46fbd26e8a77a90387. 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/QZWFH2343915.
  date published: 2026-07-02T03:55:08Z
audio: Please Don't Run
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.839
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.588
  additional property: Energy
    type: PropertyValue
    value: 0.723
  additional property: Speechiness
    type: PropertyValue
    value: 0.305
  additional property: Acousticness
    type: PropertyValue
    value: 0.021
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.306
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.616
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959123

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2595520

OTSTimestamp
type: PropertyValue
value: 2026-07-22T11:35:32Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67989d8b1366ddf761e577a02ec3b6ff444712f49bd56afe31b4b3d204ae7faf. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZNWX2595520.
date published: 2026-07-22T11:35:32Z

NESSUN RIMORSO
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 145.95
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: 0.615
additional property: Energy
  type: PropertyValue
  value: 0.827
additional property: Speechiness
  type: PropertyValue
  value: 0.353
additional property: Acousticness
  type: PropertyValue
  value: 0.333
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.274
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.247
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.298
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

Why would you
type: MusicAlbum
date published: 2025-09-24
track: Why would you
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138041
  explicit: true
  by artist: 1ofthelastmcs
  in album: Why would you
    type: MusicAlbum
    date published: 2025-09-24
  genre: drill
  genre: new york drill
  isrc code: QT3F22552537
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T12:15:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x538e21cb93bc143016e7599d3280f6521e574a1d379ad0c892105336b339035c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959137
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959137
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3F22552537
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T15:11:13Z
  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 0x538e21cb93bc143016e7599d3280f6521e574a1d379ad0c892105336b339035c. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T15:11:13Z), 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/QT3F22552537.
    date published: 2026-07-22T15:11:13Z
  audio: Why would you
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 152.517
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.692
    additional property: Energy
      type: PropertyValue
      value: 0.571
    additional property: Speechiness
      type: PropertyValue
      value: 0.383
    additional property: Acousticness
      type: PropertyValue
      value: 0.201
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.205
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.311
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.7
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major