Cohlman
type: MusicGroup
popularity: 18
followers: 2546
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb87b4e46672f91392b12232e6512002da1e22561e1e4fd31e1b308ccbfeaedf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99111938-4208-4339-b910-c36b66ecf6e1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99111938-4208-4339-b910-c36b66ecf6e1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/99111938-4208-4339-b910-c36b66ecf6e1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
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 0xcb87b4e46672f91392b12232e6512002da1e22561e1e4fd31e1b308ccbfeaedf. 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/99111938-4208-4339-b910-c36b66ecf6e1.json and https://artists.proofprofile.net/proofs/artist/99111938-4208-4339-b910-c36b66ecf6e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
album: Voices
  type: MusicAlbum
  date published: 2018-12-21
album: Come Up
  type: MusicAlbum
  date published: 2019-02-15
album: This Song Is About You
  type: MusicAlbum
  date published: 2019-04-12
album: Summer Heat
  type: MusicAlbum
  date published: 2019-07-12
album: Summer Heat
  type: MusicAlbum
  date published: 2019-07-12
album: Paranoid
  type: MusicAlbum
  date published: 2019-08-30
album: Sweet
  type: MusicAlbum
  date published: 2020-02-14
album: Back It Up
  type: MusicAlbum
  date published: 2020-04-10
album: Back It Up
  type: MusicAlbum
  date published: 2020-04-10
  track: Back It Up
    type: MusicRecording
    duration: PT2M4S
    duration ms: 124458
    explicit: true
    by artist: Cohlman
    in album: Back It Up
      type: MusicAlbum
      date published: 2020-04-10
    isrc code: QZDA52053442
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:51:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x16ea00aebc77056cc11dfebabd3edb70aa8342f177d62014ebca7978cd5a9cf1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52053442
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0x16ea00aebc77056cc11dfebabd3edb70aa8342f177d62014ebca7978cd5a9cf1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZDA52053442.
      date published: 2026-07-04T11:19:20Z
    audio: Back It Up
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.032
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.832
      additional property: Energy
        type: PropertyValue
        value: 0.796
      additional property: Speechiness
        type: PropertyValue
        value: 0.112
      additional property: Acousticness
        type: PropertyValue
        value: 0.164
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.395
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.58
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Breeze
  type: MusicAlbum
  date published: 2020-05-22
album: Breeze
  type: MusicAlbum
  date published: 2020-05-22
  track: Breeze
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209258
    explicit: false
    by artist: Cohlman
    in album: Breeze
      type: MusicAlbum
      date published: 2020-05-22
    isrc code: QZES62022557
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T13:29:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xde5daafcd0dfae4a27b0521a2911ca1b9a8438332ce7b5df814b428c268735d8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62022557
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0xde5daafcd0dfae4a27b0521a2911ca1b9a8438332ce7b5df814b428c268735d8. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZES62022557.
      date published: 2026-07-05T18:48:28Z
    audio: Breeze
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.997
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      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
album: Lmk.
album: Tokyo
album: Salt.
album: Killin' It
album: Twisted Traditions
album: Drip Drip
album: honeycomb.
album: NO WAY! FREESTYLE
album: Astro
album: BEEN IT ALL
album: sunshine
album: WTFYTIA
album: give n go
album: i'm a mess
album: you.
album: Hoodie
album: Malcolm in the Middle
album: Give n Go

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.731

Energy
type: PropertyValue
value: 0.421

Speechiness
type: PropertyValue
value: 0.3

Acousticness
type: PropertyValue
value: 0.499

Instrumentalness
type: PropertyValue
value: 0.002

Liveness
type: PropertyValue
value: 0.063

Valence (Positivity)
type: PropertyValue
value: 0.351

Loudness (dB)
type: PropertyValue
value: -13.962

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Lmk.
type: MusicAlbum
date published: 2020-06-26

Lmk.
type: MusicAlbum
date published: 2020-06-26

Lmk.
type: MusicAlbum
date published: 2020-06-26

Tokyo
type: MusicAlbum
date published: 2020-07-24

Tokyo
type: MusicAlbum
date published: 2020-07-24

Salt.
type: MusicAlbum
date published: 2020-08-18

Salt.
type: MusicAlbum
date published: 2020-08-18
track: Salt.
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151253
  explicit: true
  by artist: Cohlman
  in album: Salt.
    type: MusicAlbum
    date published: 2020-08-18
  isrc code: QZK6Q2021580
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T13:15:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7037ad1a70aa80ded369ac2207e0522e748cd57b688ef490cdbbe3dafac872c3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2021580
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T16:16:41Z
  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 0x7037ad1a70aa80ded369ac2207e0522e748cd57b688ef490cdbbe3dafac872c3. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:16:41Z), 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/QZK6Q2021580.
    date published: 2026-07-20T16:16:41Z
  audio: Salt.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.383
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.525
    additional property: Energy
      type: PropertyValue
      value: 0.561
    additional property: Speechiness
      type: PropertyValue
      value: 0.231
    additional property: Acousticness
      type: PropertyValue
      value: 0.277
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.636
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.947
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Killin' It
type: MusicAlbum
date published: 2020-09-25

Killin' It
type: MusicAlbum
date published: 2020-09-25

Twisted Traditions
type: MusicAlbum
date published: 2020-10-31

Twisted Traditions
type: MusicAlbum
date published: 2020-10-31

Drip Drip
type: MusicAlbum
date published: 2021-03-19

Drip Drip
type: MusicAlbum
date published: 2021-03-19
track: Drip Drip
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155306
  explicit: true
  by artist: Cohlman
  in album: Drip Drip
    type: MusicAlbum
    date published: 2021-03-19
  isrc code: QZDA52197837
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:26:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9eee41b5c3ea06afe0bc41643b5bb145596d3690fd0643c890d528e6a45610f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52197837
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  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 0x9eee41b5c3ea06afe0bc41643b5bb145596d3690fd0643c890d528e6a45610f4. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZDA52197837.
    date published: 2026-07-13T18:21:04Z
  audio: Drip Drip
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.943
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.819
    additional property: Energy
      type: PropertyValue
      value: 0.569
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.561
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.364
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.03
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

honeycomb.
type: MusicAlbum
date published: 2021-04-23

honeycomb.
type: MusicAlbum
date published: 2021-04-23

NO WAY! FREESTYLE
type: MusicAlbum
date published: 2021-06-11

NO WAY! FREESTYLE
type: MusicAlbum
date published: 2021-06-11

Astro
type: MusicAlbum
date published: 2022-01-14

Astro
type: MusicAlbum
date published: 2022-01-14

BEEN IT ALL
type: MusicAlbum
date published: 2022-03-25

BEEN IT ALL
type: MusicAlbum
date published: 2022-03-25

sunshine
type: MusicAlbum
date published: 2022-05-27

sunshine
type: MusicAlbum
date published: 2022-05-27

WTFYTIA
type: MusicAlbum
date published: 2022-10-14

WTFYTIA
type: MusicAlbum
date published: 2022-10-14

give n go
type: MusicAlbum
date published: 2023-04-28

i'm a mess
type: MusicAlbum
date published: 2023-06-16

i'm a mess
type: MusicAlbum
date published: 2023-06-16

you.
type: MusicAlbum
date published: 2023-08-18

you.
type: MusicAlbum
date published: 2023-08-18

Hoodie
type: MusicAlbum
date published: 2024-01-19

Hoodie
type: MusicAlbum
date published: 2024-01-27

Malcolm in the Middle
type: MusicAlbum
date published: 2024-06-07

Give n Go
type: MusicAlbum
date published: 2025-05-09