Kevlaar 7
type: MusicGroup
genre: underground hip hop
popularity: 18
followers: 1327
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7917d03a746ed77b136daa234bea34f39c38ede23f396ff81f235ee6743702e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953724
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953724
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e3ca150-0104-4f55-bcd5-58293347c008.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e3ca150-0104-4f55-bcd5-58293347c008.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e3ca150-0104-4f55-bcd5-58293347c008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:43:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7917d03a746ed77b136daa234bea34f39c38ede23f396ff81f235ee6743702e3","name":"Kevlaar 7","registered_at":"2026-06-14T19:22:45Z","symbol":"NIM0551838","token_address":"0xed981c0a07418b7341d8a59415b6246e61f9a89c","type":"artist","uuid":"8e3ca150-0104-4f55-bcd5-58293347c008"}
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 0x7917d03a746ed77b136daa234bea34f39c38ede23f396ff81f235ee6743702e3. Chain 2 (Bitcoin): anchored in block 953724 (2026-06-15T01:43:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e3ca150-0104-4f55-bcd5-58293347c008.json and https://artists.proofprofile.net/proofs/artist/8e3ca150-0104-4f55-bcd5-58293347c008.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:43:13Z
  text: {"copyright_id":"0x7917d03a746ed77b136daa234bea34f39c38ede23f396ff81f235ee6743702e3","name":"Kevlaar 7","registered_at":"2026-06-14T19:22:45Z","symbol":"NIM0551838","token_address":"0xed981c0a07418b7341d8a59415b6246e61f9a89c","type":"artist","uuid":"8e3ca150-0104-4f55-bcd5-58293347c008"}
album: Unbutton Your Holsters, Vol. 1
  type: MusicAlbum
  date published: 2009-07-20
album: Unbutton Your Holsters, Vol. 1
  type: MusicAlbum
  date published: 2009-07-20
album: Who Got the Camera?
  type: MusicAlbum
  date published: 2011-02-01
album: Who Got the Camera?
  type: MusicAlbum
  date published: 2011-02-01
album: Who Got the Camera?
  type: MusicAlbum
  date published: 2011-02-01
album: Die Ageless
  type: MusicAlbum
  date published: 2012-05-27
album: Die Ageless
  type: MusicAlbum
  date published: 2012-05-29
album: Die Ageless
  type: MusicAlbum
  date published: 2012-05-29
album: Die Ageless
  type: MusicAlbum
  date published: 2012-05-29
album: Sophisticated Movement
  type: MusicAlbum
  date published: 2012-09-11
album: Sophisticated Movement
  type: MusicAlbum
  date published: 2012-09-11
album: Sophisticated Movement
  type: MusicAlbum
  date published: 2012-09-11
album: Unbutton Your Holsters, Vol. 1
  type: MusicAlbum
  date published: 2013-10-31
album: A Beautiful Soul
  type: MusicAlbum
  date published: 2016-05-27
album: A Beautiful Soul
  type: MusicAlbum
  date published: 2016-05-27
album: A Beautiful Soul
  type: MusicAlbum
  date published: 2016-05-27
album: The King Perfect Collection
  type: MusicAlbum
  date published: 2016-07-28
album: The King Perfect Collection
  type: MusicAlbum
  date published: 2016-07-28
album: Tarnatula's Web
  type: MusicAlbum
  date published: 2017-05-27
album: Tarnatula's Web
  type: MusicAlbum
  date published: 2017-05-27
track: Gifted Men
track: Change Ur Beliefs
track: You'll Never Know

Gifted Men
type: MusicRecording
duration: PT4M29S
duration ms: 269118
explicit: false
by artist: School of the Gifted
by artist: Wu Tang Killa Beez
by artist: Kevlaar 7
by artist: Phillie
by artist: Wisemen
in album: Semester IV : Versus
  type: MusicAlbum
  date published: 2021-05-28
popularity: 2
isrc code: USHM22147793
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:13:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02e3f08c9dbb62c5dd835b31e6b66953622feadf7b95fc43e099bb12f7a00a42
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22147793
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+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 0x02e3f08c9dbb62c5dd835b31e6b66953622feadf7b95fc43e099bb12f7a00a42. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USHM22147793.
  date published: 2026-07-08T03:20:19Z
audio: Gifted Men
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.349
  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: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.59
  additional property: Speechiness
    type: PropertyValue
    value: 0.435
  additional property: Acousticness
    type: PropertyValue
    value: 0.065
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.345
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.312
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.981
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Change Ur Beliefs
type: MusicRecording
duration: PT3M50S
duration ms: 230582
explicit: false
by artist: KXNG Crooked
by artist: Bronze Nazareth
by artist: Kevlaar 7
in album: Gravitas
  type: MusicAlbum
  date published: 2019-12-13
genre: detroit-hip-hop
genre: cali-rap
isrc code: QZANY1700119
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:59:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9a7cfa37c07a511d61691170cb01aaa7c4e390a39d9dde9fcdf4eb92a0980db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZANY1700119
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+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 0xf9a7cfa37c07a511d61691170cb01aaa7c4e390a39d9dde9fcdf4eb92a0980db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZANY1700119.
  date published: 2026-07-08T03:20:19Z
audio: Change Ur Beliefs
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.581
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.457
  additional property: Energy
    type: PropertyValue
    value: 0.942
  additional property: Speechiness
    type: PropertyValue
    value: 0.388
  additional property: Acousticness
    type: PropertyValue
    value: 0.301
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.328
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.744
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.294
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

You'll Never Know
type: MusicRecording
duration: PT2M48S
duration ms: 168342
explicit: false
by artist: Bronze Nazareth
by artist: Kevlaar 7
by artist: Phillie
in album: If You're Worried, You Should Be
  type: MusicAlbum
  date published: 2022-09-30
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320b09b7766a7c1f0afb80e15d45ff7a164200d83fbb377ffee16dbb06074185. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T08:10:49Z), 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/QZANY1700195.
  date published: 2026-07-22T08:10:49Z
audio: You'll Never Know
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.823
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.771
  additional property: Speechiness
    type: PropertyValue
    value: 0.314
  additional property: Acousticness
    type: PropertyValue
    value: 0.744
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.38
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.629
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.426
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: QZANY1700195
additional property: CopyrightID
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: 959100
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T05:29:55+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZANY1700195
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959100
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T05:29:55+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 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