Hunchoo
type: MusicGroup
popularity: 8
followers: 921
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b5eb8ef6e26a96e4b1cea09e82b4a624960097324f480d3993078033bd1ba34
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953932
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953932
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1e65c021-ed5d-40af-ad10-1c239a8f3dc5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1e65c021-ed5d-40af-ad10-1c239a8f3dc5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1e65c021-ed5d-40af-ad10-1c239a8f3dc5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:10:43Z
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 0x0b5eb8ef6e26a96e4b1cea09e82b4a624960097324f480d3993078033bd1ba34. Chain 2 (Bitcoin): anchored in block 953933 (2026-06-16T11:13:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1e65c021-ed5d-40af-ad10-1c239a8f3dc5.json and https://artists.proofprofile.net/proofs/artist/1e65c021-ed5d-40af-ad10-1c239a8f3dc5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T11:13:24Z
album: ASA
  type: MusicAlbum
  date published: 2019-11-29
album: Jumanji
  type: MusicAlbum
  date published: 2020-01-16
album: Jumanji
  type: MusicAlbum
  date published: 2020-01-16
  track: Jumanji
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184320
    explicit: true
    by artist: Hunchoo
    in album: Jumanji
      type: MusicAlbum
      date published: 2020-01-16
    isrc code: QZFYW2049511
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T09:43:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x882ca3237bf1ed301ce1f8d93c44d2aff4cacb7ee0082efe5a984b3a7d44c275
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958276
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958276
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW2049511
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T12:46:14Z
    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 0x882ca3237bf1ed301ce1f8d93c44d2aff4cacb7ee0082efe5a984b3a7d44c275. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:46:14Z), 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/QZFYW2049511.
      date published: 2026-07-16T12:46:14Z
    audio: Jumanji
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.044
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.835
      additional property: Energy
        type: PropertyValue
        value: 0.414
      additional property: Speechiness
        type: PropertyValue
        value: 0.333
      additional property: Acousticness
        type: PropertyValue
        value: 0.182
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.081
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.775
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.146
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Raindrop
  type: MusicAlbum
  date published: 2020-03-13
album: Raindrop
  type: MusicAlbum
  date published: 2020-03-13
album: Foreign
  type: MusicAlbum
  date published: 2020-07-03
album: Foreign
  type: MusicAlbum
  date published: 2020-07-03
album: 2020
  type: MusicAlbum
  date published: 2020-10-24
album: Glizzy
  type: MusicAlbum
  date published: 2021-07-30
album: Lige Nu
  type: MusicAlbum
  date published: 2022-03-11
album: Days
  type: MusicAlbum
  date published: 2023-11-24
  track: Days
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138492
    explicit: false
    by artist: Hunchoo
    in album: Days
      type: MusicAlbum
      date published: 2023-11-24
    isrc code: QMFMF2322231
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T18:43:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1db03fb01a0d24a7aed16ecbf360942c1c52793df1597f724b63d64ef5aae7a5
    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/QMFMF2322231
    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 0x1db03fb01a0d24a7aed16ecbf360942c1c52793df1597f724b63d64ef5aae7a5. 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/QMFMF2322231.
      date published: 2026-07-05T04:47:21Z
    audio: Days
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.046
      additional property: Musical Key
        type: PropertyValue
        value: 8
      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: Ski
album: Start

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.52

Energy
type: PropertyValue
value: 0.501

Speechiness
type: PropertyValue
value: 0.355

Acousticness
type: PropertyValue
value: 0.249

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.128

Valence (Positivity)
type: PropertyValue
value: 0.296

Loudness (dB)
type: PropertyValue
value: -8.576

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

Ski
type: MusicAlbum
date published: 2024-07-26
track: Ski
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142080
  explicit: true
  by artist: Hunchoo
  in album: Ski
    type: MusicAlbum
    date published: 2024-07-26
  isrc code: QM7282427340
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:52:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xefc4de719e32c21a364ab1aa2db5022db43a409dbd6fde8551293f706c642c4f
  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/QM7282427340
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T19:54:58Z
  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 0xefc4de719e32c21a364ab1aa2db5022db43a409dbd6fde8551293f706c642c4f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:54:58Z), 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/QM7282427340.
    date published: 2026-07-19T19:54:58Z
  audio: Ski
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.023
    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: 0.825
    additional property: Energy
      type: PropertyValue
      value: 0.527
    additional property: Speechiness
      type: PropertyValue
      value: 0.301
    additional property: Acousticness
      type: PropertyValue
      value: 0.253
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.478
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.803
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Start
type: MusicAlbum
date published: 2025-07-25