CASPER
type: MusicGroup
popularity: 33
followers: 2152
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e099cf162f29b56d989675c0a18d6d8fd9cc69f30344cd543f8fab962c42cc1
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/87a83c7f-9666-4f6f-9c49-3dbe52f93e1d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/87a83c7f-9666-4f6f-9c49-3dbe52f93e1d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/87a83c7f-9666-4f6f-9c49-3dbe52f93e1d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x2e099cf162f29b56d989675c0a18d6d8fd9cc69f30344cd543f8fab962c42cc1. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/87a83c7f-9666-4f6f-9c49-3dbe52f93e1d.json and https://artists.proofprofile.net/proofs/artist/87a83c7f-9666-4f6f-9c49-3dbe52f93e1d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: One1one
  type: MusicAlbum
  date published: 2022-10-21
album: UNCHAINED
  type: MusicAlbum
  date published: 2022-11-26
album: CUTE WALK
  type: MusicAlbum
  date published: 2022-12-26
album: DESPAIR
  type: MusicAlbum
  date published: 2023-02-22
album: BOOGEYMAN
  type: MusicAlbum
  date published: 2023-06-05
album: ESSENCE
  type: MusicAlbum
  date published: 2023-07-14
album: Onmymind
  type: MusicAlbum
  date published: 2024-06-18
  track: Onmymind
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205004
    explicit: false
    by artist: CASPER
    in album: Onmymind
      type: MusicAlbum
      date published: 2024-06-18
    isrc code: DEPI82424663
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T00:10:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb64887b6800afa995bdb39283e820470add31edffc019ddf306ba48a68dc13e0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958340
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958340
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82424663
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:10:11Z
    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 0xb64887b6800afa995bdb39283e820470add31edffc019ddf306ba48a68dc13e0. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:10:11Z), 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/DEPI82424663.
      date published: 2026-07-17T03:10:11Z
    audio: Onmymind
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 74.924
      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: 0.548
      additional property: Energy
        type: PropertyValue
        value: 0.573
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.056
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.024
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.052
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.01
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Count on You
  type: MusicAlbum
  date published: 2024-08-18
  track: Count on You
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153800
    explicit: false
    by artist: CASPER
    in album: Count on You
      type: MusicAlbum
      date published: 2024-08-18
    isrc code: DEPI82436199
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T23:22:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x45ad6b0bd6ce75155467c3fe754f5aa70cca609b7577b4716b0967858a3c79c2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958341
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958341
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82436199
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T02:24:48Z
    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 0x45ad6b0bd6ce75155467c3fe754f5aa70cca609b7577b4716b0967858a3c79c2. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:24:48Z), 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/DEPI82436199.
      date published: 2026-07-17T02:24:48Z
    audio: Count on You
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 75.001
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.502
      additional property: Energy
        type: PropertyValue
        value: 0.513
      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: Sunken Mist
album: Nightsinners
album: Face of Space
album: Slay Memphis
album: Luz Escura
album: Rebellion
album: Angry Cat

Speechiness
type: PropertyValue
value: 0.045

Acousticness
type: PropertyValue
value: 0.008

Instrumentalness
type: PropertyValue
value: 0.333

Liveness
type: PropertyValue
value: 0.101

Valence (Positivity)
type: PropertyValue
value: 0.096

Loudness (dB)
type: PropertyValue
value: -7.062

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Sunken Mist
type: MusicAlbum
date published: 2024-09-01

Nightsinners
type: MusicAlbum
date published: 2024-09-14
track: Nightsinners
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154200
  explicit: false
  by artist: CASPER
  in album: Nightsinners
    type: MusicAlbum
    date published: 2024-09-14
  isrc code: DEPI82440789
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T12:53:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95d31113df1d80f227a08437e9949f117cce1b1f4cede961c67e8c594c579901
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82440789
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T15:56:30Z
  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 0x95d31113df1d80f227a08437e9949f117cce1b1f4cede961c67e8c594c579901. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T15:56:30Z), 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/DEPI82440789.
    date published: 2026-07-19T15:56:30Z
  audio: Nightsinners
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.007
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.564
    additional property: Energy
      type: PropertyValue
      value: 0.711
    additional property: Speechiness
      type: PropertyValue
      value: 0.101
    additional property: Acousticness
      type: PropertyValue
      value: 0.175
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.358
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.355
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.299
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Face of Space
type: MusicAlbum
date published: 2024-10-31

Slay Memphis
type: MusicAlbum
date published: 2024-12-16

Luz Escura
type: MusicAlbum
date published: 2025-03-09

Rebellion
type: MusicAlbum
date published: 2025-04-02

Angry Cat
type: MusicAlbum
date published: 2025-08-10