OK Cool
type: MusicGroup
genre: midwest emo
popularity: 18
followers: 2443
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc77e40fd3deeacc6373167945f7a0f720a92b40cf350341a5bafe669d24185a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953736
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953736
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98467cdc-de0a-44fb-819b-37b30b8e7d7d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98467cdc-de0a-44fb-819b-37b30b8e7d7d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/98467cdc-de0a-44fb-819b-37b30b8e7d7d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T03:21:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc77e40fd3deeacc6373167945f7a0f720a92b40cf350341a5bafe669d24185a1","name":"OK Cool","registered_at":"2026-06-14T20:29:39Z","symbol":"NIM0567771","token_address":"0xb9f699275eb156fe8d4152fa911a0a0879661d16","type":"artist","uuid":"98467cdc-de0a-44fb-819b-37b30b8e7d7d"}
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 0xc77e40fd3deeacc6373167945f7a0f720a92b40cf350341a5bafe669d24185a1. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98467cdc-de0a-44fb-819b-37b30b8e7d7d.json and https://artists.proofprofile.net/proofs/artist/98467cdc-de0a-44fb-819b-37b30b8e7d7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0xc77e40fd3deeacc6373167945f7a0f720a92b40cf350341a5bafe669d24185a1","name":"OK Cool","registered_at":"2026-06-14T20:29:39Z","symbol":"NIM0567771","token_address":"0xb9f699275eb156fe8d4152fa911a0a0879661d16","type":"artist","uuid":"98467cdc-de0a-44fb-819b-37b30b8e7d7d"}
album: I Can't Stand in Ice Skates
  type: MusicAlbum
  date published: 2020-05-22
album: Anomia
  type: MusicAlbum
  date published: 2020-06-05
album: Five Finger Exploding Heart Technique
  type: MusicAlbum
  date published: 2021-02-19
  track: Five Finger Exploding Heart Technique
    type: MusicRecording
    duration: PT2M10S
    duration ms: 130623
    explicit: false
    by artist: OK Cool
    in album: Five Finger Exploding Heart Technique
      type: MusicAlbum
      date published: 2021-02-19
    genre: midwest emo
    isrc code: QZFZ22187393
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T16:30:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1943df287f5126b4578930a9c4c797094323e26a8cbf6d9bc31cc1be0a42375b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958319
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958319
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22187393
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T00:04:02Z
    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 0x1943df287f5126b4578930a9c4c797094323e26a8cbf6d9bc31cc1be0a42375b. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T00:04:02Z), 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/QZFZ22187393.
      date published: 2026-07-17T00:04:02Z
    audio: Five Finger Exploding Heart Technique
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.924
      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: 0.412
      additional property: Energy
        type: PropertyValue
        value: 0.862
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.011
      additional property: Liveness
        type: PropertyValue
        value: 0.074
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.697
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.371
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Divers
  type: MusicAlbum
  date published: 2021-03-19
album: Surrealist
  type: MusicAlbum
  date published: 2021-03-26
album: Time And A Half
  type: MusicAlbum
  date published: 2022-01-21
album: Songs From The Spare Room
  type: MusicAlbum
  date published: 2022-02-04
album: normal c
  type: MusicAlbum
  date published: 2023-02-09
album: nissanweekends
  type: MusicAlbum
  date published: 2023-03-15
album: soaked in
  type: MusicAlbum
  date published: 2023-04-19
album: fawn
  type: MusicAlbum
  date published: 2023-04-28
  track: normal c
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177066
    explicit: false
    by artist: OK Cool
    in album: fawn
      type: MusicAlbum
      date published: 2023-04-28
    genre: midwest emo
    isrc code: QZFZ62318097
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T17:30:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x701b2de7f2f04f18c996f4997fc3c52fb7009727bfd5e31ef9c4ef4816df2bdd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ62318097
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T20:32:21Z
    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 0x701b2de7f2f04f18c996f4997fc3c52fb7009727bfd5e31ef9c4ef4816df2bdd. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:32:21Z), 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/QZFZ62318097.
      date published: 2026-07-19T20:32:21Z
    audio: normal c
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.932
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      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
  track: nissanweekends
album: Ok Cool on Audiotree Live
album: Waawooweewaa
album: Safety Car
album: Last
album: Chit Chat

Musical Key
type: PropertyValue
value: 0

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.655

Energy
type: PropertyValue
value: 0.723

Speechiness
type: PropertyValue
value: 0.03

Acousticness
type: PropertyValue
value: 0.001

Instrumentalness
type: PropertyValue
value: 0.593

Liveness
type: PropertyValue
value: 0.586

Valence (Positivity)
type: PropertyValue
value: 0.763

Loudness (dB)
type: PropertyValue
value: -5.715

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

nissanweekends
type: MusicRecording
duration: PT2M6S
duration ms: 126813
explicit: false
by artist: OK Cool
in album: fawn
  type: MusicAlbum
  date published: 2023-04-28
genre: midwest emo
isrc code: QZDA52394950
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:01:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x651c38a35081620b1ab37d6001a00029a3c4b2f38be5a97b3bbef65ac6af6ae0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52394950
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0x651c38a35081620b1ab37d6001a00029a3c4b2f38be5a97b3bbef65ac6af6ae0. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZDA52394950.
  date published: 2026-07-06T01:26:17Z
audio: nissanweekends
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.046
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.526
  additional property: Energy
    type: PropertyValue
    value: 0.844
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.018
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.333
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ok Cool on Audiotree Live
type: MusicAlbum
date published: 2023-09-28

Waawooweewaa
type: MusicAlbum
date published: 2025-05-19

Safety Car
type: MusicAlbum
date published: 2025-06-23

Last
type: MusicAlbum
date published: 2025-07-28

Chit Chat
type: MusicAlbum
date published: 2025-08-01