Jemma Johnson
type: MusicGroup
popularity: 38
followers: 3903
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef7679104f3937682d421c8cc31dbf3aa8418b816297cac1b7eea15774a9a2d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/72030724-5411-4f7e-aa50-a5c204495446.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/72030724-5411-4f7e-aa50-a5c204495446.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/72030724-5411-4f7e-aa50-a5c204495446
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xef7679104f3937682d421c8cc31dbf3aa8418b816297cac1b7eea15774a9a2d0","name":"Jemma Johnson","registered_at":"2026-06-12T00:46:24Z","symbol":"NIM0146599","token_address":"0x49cea61e4438f3c402c5eecf35e700dc13ba308b","type":"artist","uuid":"72030724-5411-4f7e-aa50-a5c204495446"}
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 0xef7679104f3937682d421c8cc31dbf3aa8418b816297cac1b7eea15774a9a2d0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/72030724-5411-4f7e-aa50-a5c204495446.json and https://artists.proofprofile.net/proofs/artist/72030724-5411-4f7e-aa50-a5c204495446.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xef7679104f3937682d421c8cc31dbf3aa8418b816297cac1b7eea15774a9a2d0","name":"Jemma Johnson","registered_at":"2026-06-12T00:46:24Z","symbol":"NIM0146599","token_address":"0x49cea61e4438f3c402c5eecf35e700dc13ba308b","type":"artist","uuid":"72030724-5411-4f7e-aa50-a5c204495446"}
album: Enough - EP
  type: MusicAlbum
  date published: 2015
album: Dreams
  type: MusicAlbum
  date published: 2017-10-16
album: The Sound of Silence
  type: MusicAlbum
  date published: 2019-02-01
album: Did I Say Enough?
  type: MusicAlbum
  date published: 2020-06-17
album: Pretty in the Dark
  type: MusicAlbum
  date published: 2020-08-21
  track: Pretty in the Dark
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223434
    explicit: false
    by artist: Jemma Johnson
    in album: Pretty in the Dark
      type: MusicAlbum
      date published: 2020-08-21
    isrc code: QZHN92037415
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T07:07:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6b83e1f38255b349010f1985a36155126ef1db81a8fe3e78bf50d17150492e1b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN92037415
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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 0x6b83e1f38255b349010f1985a36155126ef1db81a8fe3e78bf50d17150492e1b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZHN92037415.
      date published: 2026-07-03T08:56:35Z
    audio: Pretty in the Dark
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.03
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.7
      additional property: Energy
        type: PropertyValue
        value: 0.437
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.774
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.278
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.439
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.092
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Did I Say Enough? (Dokkodo Sounds Remix)
  type: MusicAlbum
  date published: 2020-09-04
album: Let It Go
  type: MusicAlbum
  date published: 2021-02-05
album: Sweet Heart
  type: MusicAlbum
  date published: 2021-02-19
album: Sweet Heart
  type: MusicAlbum
  date published: 2021-02-19
album: See You Again
  type: MusicAlbum
  date published: 2021-08-16
album: Something Like I Love You
  type: MusicAlbum
  date published: 2021-10-29
album: Shatterproof
  type: MusicAlbum
  date published: 2022-02-11
album: Shatterproof
  type: MusicAlbum
  date published: 2022-02-11
album: Love Rush
  type: MusicAlbum
  date published: 2022-10-28
album: Love Rush
  type: MusicAlbum
  date published: 2022-10-28
album: Sing It With Me
  type: MusicAlbum
  date published: 2023-04-14
album: Sing It With Me
  type: MusicAlbum
  date published: 2023-04-14
album: Pretty In The Dark (Acoustic)
  type: MusicAlbum
  date published: 2023-12-26
album: Let It Go (Acoustic)
  type: MusicAlbum
  date published: 2024-02-09
album: Obsessed
  type: MusicAlbum
  date published: 2025-05-01
album: Good Guy
  type: MusicAlbum
  date published: 2025-06-11
  track: Obsessed
    type: MusicRecording
    duration: PT2M25S
    duration ms: 145976
    explicit: false
    by artist: Jemma Johnson
    in album: Good Guy
      type: MusicAlbum
      date published: 2025-06-11
    isrc code: QZK6K2567734
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T02:01:17+00:00
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Obsessed
album: Come To The Dark Side
album: So Dramatic

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xef8abf80c582f41efcba1460c9cb69cccb67abb614a290244bbc732f347d3d97

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956772

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956772

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2567734

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

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 0xef8abf80c582f41efcba1460c9cb69cccb67abb614a290244bbc732f347d3d97. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZK6K2567734.
date published: 2026-07-05T10:01:46Z

Obsessed
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 91.98
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.648
additional property: Energy
  type: PropertyValue
  value: 0.747
additional property: Speechiness
  type: PropertyValue
  value: 0.046
additional property: Acousticness
  type: PropertyValue
  value: 0.079
additional property: Instrumentalness
  type: PropertyValue
  value: 0.087
additional property: Liveness
  type: PropertyValue
  value: 0.198
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.829
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.472
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Come To The Dark Side
type: MusicAlbum
date published: 2025-07-24
track: Come To The Dark Side
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163973
  explicit: false
  by artist: Jemma Johnson
  in album: Come To The Dark Side
    type: MusicAlbum
    date published: 2025-07-24
  isrc code: QZTB72537483
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T00:28:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x65e55cdf4c8cb3d2e1f29cfaacb7e2f144f3e99f3e229c988924304c652bcb0a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957782
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957782
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB72537483
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T00:52:48Z
  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 0x65e55cdf4c8cb3d2e1f29cfaacb7e2f144f3e99f3e229c988924304c652bcb0a. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/QZTB72537483.
    date published: 2026-07-13T00:52:48Z
  audio: Come To The Dark Side
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 166.002
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.739
    additional property: Energy
      type: PropertyValue
      value: 0.757
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.75
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.394
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

So Dramatic
type: MusicAlbum
date published: 2025-09-11