Perfect Limbs
type: MusicGroup
genre: melodic hardcore
genre: metalcore
popularity: 4
followers: 753
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x609b9bb416097e22f8999d9e3b1a4cd97e38488ff346340cdf037f2abed65f6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/595711a9-01e7-4c98-bf25-14be69f86e35.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/595711a9-01e7-4c98-bf25-14be69f86e35.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/595711a9-01e7-4c98-bf25-14be69f86e35
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x609b9bb416097e22f8999d9e3b1a4cd97e38488ff346340cdf037f2abed65f6d","name":"Perfect Limbs","registered_at":"2026-06-16T20:46:38Z","symbol":"NIM1170936","token_address":"0x2bc7e04d983dc350903696ad759c282ec37a4161","type":"artist","uuid":"595711a9-01e7-4c98-bf25-14be69f86e35"}
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 0x609b9bb416097e22f8999d9e3b1a4cd97e38488ff346340cdf037f2abed65f6d. 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/595711a9-01e7-4c98-bf25-14be69f86e35.json and https://artists.proofprofile.net/proofs/artist/595711a9-01e7-4c98-bf25-14be69f86e35.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x609b9bb416097e22f8999d9e3b1a4cd97e38488ff346340cdf037f2abed65f6d","name":"Perfect Limbs","registered_at":"2026-06-16T20:46:38Z","symbol":"NIM1170936","token_address":"0x2bc7e04d983dc350903696ad759c282ec37a4161","type":"artist","uuid":"595711a9-01e7-4c98-bf25-14be69f86e35"}
album: CONTAGIOUS BEHAVIOUR
  type: MusicAlbum
  date published: 2023-06-16
  track: CONTAGIOUS BEHAVIOUR
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197506
    explicit: false
    by artist: Perfect Limbs
    in album: CONTAGIOUS BEHAVIOUR
      type: MusicAlbum
      date published: 2023-06-16
    genre: modern-melodic-hardcore
    isrc code: QZK6H2305812
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T11:04:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf1ec1f3937671025f6500fd422c845b089ba9ab3073f16d63857c46cfac44738
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960403
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960403
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6H2305812
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T13:04:34Z
    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 0xf1ec1f3937671025f6500fd422c845b089ba9ab3073f16d63857c46cfac44738. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZK6H2305812 — a six-check JSON result.
      date published: 2026-07-31T13:04:34Z
    audio: CONTAGIOUS BEHAVIOUR
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 185.961
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.314
      additional property: Energy
        type: PropertyValue
        value: 0.993
      additional property: Speechiness
        type: PropertyValue
        value: 0.318
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.324
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.089
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.62
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: DEAD HOUSE
  type: MusicAlbum
  date published: 2023-03-31
  track: DEAD HOUSE
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221400
    explicit: false
    by artist: Perfect Limbs
    in album: DEAD HOUSE
      type: MusicAlbum
      date published: 2023-03-31
    genre: modern-melodic-hardcore
    isrc code: QZFZ62372327
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T09:12:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a3e4f4b0c4752668a38fb1214581210fe0373d4a703ec59fbaef75769ffa3db
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960379
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960379
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62372327
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T09:25:34Z
    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 0x5a3e4f4b0c4752668a38fb1214581210fe0373d4a703ec59fbaef75769ffa3db. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/QZFZ62372327 — a six-check JSON result.
      date published: 2026-07-31T09:25:34Z
    audio: DEAD HOUSE
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 158.811
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.38
      additional property: Energy
        type: PropertyValue
        value: 0.968
      additional property: Speechiness
        type: PropertyValue
        value: 0.151
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: I Watched Myself Collapse
album: Seeking
album: Detach
album: Tunnel Vision

Liveness
type: PropertyValue
value: 0.378

Valence (Positivity)
type: PropertyValue
value: 0.332

Loudness (dB)
type: PropertyValue
value: -7.533

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

I Watched Myself Collapse
type: MusicAlbum
date published: 2019-07-19
track: I Watched Myself Collapse
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221795
  explicit: false
  by artist: Perfect Limbs
  in album: I Watched Myself Collapse
    type: MusicAlbum
    date published: 2019-07-19
  genre: modern-melodic-hardcore
  isrc code: QZFZ21900409
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T03:31:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27251689ac80421bdb4fb84012147659aea0c050cfeb9434c2d50114527c58e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960344
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960344
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21900409
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T04:14:58Z
  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 0x27251689ac80421bdb4fb84012147659aea0c050cfeb9434c2d50114527c58e9. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QZFZ21900409 — a six-check JSON result.
    date published: 2026-07-31T04:14:58Z
  audio: I Watched Myself Collapse
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.426
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.54
    additional property: Energy
      type: PropertyValue
      value: 0.971
    additional property: Speechiness
      type: PropertyValue
      value: 0.101
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.23
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.079
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.16
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Seeking
type: MusicAlbum
date published: 2019-04-24

Detach
type: MusicAlbum
date published: 2018-01-26

Tunnel Vision
type: MusicAlbum
date published: 2016-09-30