Half Tone
type: MusicGroup
popularity: 38
followers: 49
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa003b656649fef929b0c71f71740f6f75c4a0f0885164b8fd2a55286d15870d
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/00fda879-da8c-4132-8fbf-f2436cd7ea75.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00fda879-da8c-4132-8fbf-f2436cd7ea75.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/00fda879-da8c-4132-8fbf-f2436cd7ea75
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaa003b656649fef929b0c71f71740f6f75c4a0f0885164b8fd2a55286d15870d","name":"Half Tone","registered_at":"2026-06-12T14:50:06Z","symbol":"NIM0001909","token_address":"0xf0f30195659c7ed319bb9edc362eb82a9b71e6d1","type":"artist","uuid":"00fda879-da8c-4132-8fbf-f2436cd7ea75"}
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 0xaa003b656649fef929b0c71f71740f6f75c4a0f0885164b8fd2a55286d15870d. 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/00fda879-da8c-4132-8fbf-f2436cd7ea75.json and https://artists.proofprofile.net/proofs/artist/00fda879-da8c-4132-8fbf-f2436cd7ea75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xaa003b656649fef929b0c71f71740f6f75c4a0f0885164b8fd2a55286d15870d","name":"Half Tone","registered_at":"2026-06-12T14:50:06Z","symbol":"NIM0001909","token_address":"0xf0f30195659c7ed319bb9edc362eb82a9b71e6d1","type":"artist","uuid":"00fda879-da8c-4132-8fbf-f2436cd7ea75"}
album: Verde
  type: MusicAlbum
  date published: 2024-08-30
album: Flow
  type: MusicAlbum
  date published: 2024-10-04
album: Shine
  type: MusicAlbum
  date published: 2024-11-01
album: Balcony
  type: MusicAlbum
  date published: 2024-12-06
album: Purity
  type: MusicAlbum
  date published: 2025-01-10
album: Estate
  type: MusicAlbum
  date published: 2025-02-28
album: Haze
  type: MusicAlbum
  date published: 2025-03-28
  track: Haze
    type: MusicRecording
    duration: PT2M30S
    duration ms: 150521
    explicit: false
    by artist: Half Tone
    in album: Haze
      type: MusicAlbum
      date published: 2025-03-28
    isrc code: SE5W32505656
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T22:53:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdb53765db0ccb8ff66bc360e6860c0de9cb14c0132769014c8e3015854f595df
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956738
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956738
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32505656
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T04:47:21Z
    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 0xdb53765db0ccb8ff66bc360e6860c0de9cb14c0132769014c8e3015854f595df. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/SE5W32505656.
      date published: 2026-07-05T04:47:21Z
    audio: Haze
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.986
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.743
      additional property: Energy
        type: PropertyValue
        value: 0.65
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.816
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.068
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.597
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Suave
  type: MusicAlbum
  date published: 2025-04-25
album: Metropolis
  type: MusicAlbum
  date published: 2025-05-23
album: Uptown Stroll
  type: MusicAlbum
  date published: 2025-07-04
album: Drift
  type: MusicAlbum
  date published: 2025-08-29
album: Something Else
  type: MusicAlbum
  date published: 2025-09-26
  track: Something Else
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153114
    explicit: false
    by artist: Half Tone
    in album: Something Else
      type: MusicAlbum
      date published: 2025-09-26
    isrc code: SE5W32507729
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T20:54:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3784216cc92568f169b910f68058af28a2d6941a4fa04a9ce0493a204793e8a5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958612
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958612
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5W32507729
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T21:29:37Z
    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 0x3784216cc92568f169b910f68058af28a2d6941a4fa04a9ce0493a204793e8a5. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/SE5W32507729.
      date published: 2026-07-18T21:29:37Z
    audio: Something Else
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.987
      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
album: In Motion

Musical Key
type: PropertyValue
value: 5

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

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.772

Energy
type: PropertyValue
value: 0.468

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.415

Instrumentalness
type: PropertyValue
value: 0.885

Liveness
type: PropertyValue
value: 0.103

Valence (Positivity)
type: PropertyValue
value: 0.198

Loudness (dB)
type: PropertyValue
value: -12.622

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

In Motion
type: MusicAlbum
date published: 2025-10-24