David Castellani
type: MusicGroup
popularity: 3
followers: 900
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x970279a0ef80a491c489a388b704356c12c562860a941b45f2245db8bde4790a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93e36fc0-b5de-4426-ab27-6489eaf6d9ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93e36fc0-b5de-4426-ab27-6489eaf6d9ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/93e36fc0-b5de-4426-ab27-6489eaf6d9ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x970279a0ef80a491c489a388b704356c12c562860a941b45f2245db8bde4790a","name":"David Castellani","registered_at":"2026-06-17T17:18:56Z","symbol":"NIM1464831","token_address":"0x2cb6fdc6cce88fd5c68d807d3287bee8abb7c9a1","type":"artist","uuid":"93e36fc0-b5de-4426-ab27-6489eaf6d9ac"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x970279a0ef80a491c489a388b704356c12c562860a941b45f2245db8bde4790a. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93e36fc0-b5de-4426-ab27-6489eaf6d9ac.json and https://artists.proofprofile.net/proofs/artist/93e36fc0-b5de-4426-ab27-6489eaf6d9ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x970279a0ef80a491c489a388b704356c12c562860a941b45f2245db8bde4790a","name":"David Castellani","registered_at":"2026-06-17T17:18:56Z","symbol":"NIM1464831","token_address":"0x2cb6fdc6cce88fd5c68d807d3287bee8abb7c9a1","type":"artist","uuid":"93e36fc0-b5de-4426-ab27-6489eaf6d9ac"}
album: Alpha Gamma EP
  type: MusicAlbum
  date published: 2021-07-30
album: Solaris EP
  type: MusicAlbum
  date published: 2021-09-03
album: Electrochemical EP
  type: MusicAlbum
  date published: 2021-10-29
album: Requiem EP
  type: MusicAlbum
  date published: 2022-02-18
album: Phrenesis
  type: MusicAlbum
  date published: 2022-05-06
album: Tweaker Dearest
  type: MusicAlbum
  date published: 2022-07-22
album: Tweaker Dearest (DJ Hyperactive Remix)
  type: MusicAlbum
  date published: 2022-10-21
album: Hyperstop
  type: MusicAlbum
  date published: 2023-01-20
album: Balloonatic / Asphyxia
  type: MusicAlbum
  date published: 2023-05-19
album: AntiPull
  type: MusicAlbum
  date published: 2023-11-24
album: ienemy
  type: MusicAlbum
  date published: 2024-04-19
album: Immutable
  type: MusicAlbum
  date published: 2024-08-16
  track: Immutable - Original Mix
    type: MusicRecording
    duration: PT6M44S
    duration ms: 404887
    explicit: false
    by artist: David Castellani
    in album: Immutable
      type: MusicAlbum
      date published: 2024-08-16
    isrc code: DECY52400909
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T21:16:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf077f530b0b850230e48dd5c8384261b9e61e5ad8fc49b40415cd2fabb4a251e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DECY52400909
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:22:41Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf077f530b0b850230e48dd5c8384261b9e61e5ad8fc49b40415cd2fabb4a251e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DECY52400909.
      date published: 2026-07-08T03:22:41Z
    audio: Immutable - Original Mix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 147.917
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.729
      additional property: Energy
        type: PropertyValue
        value: 0.994
      additional property: Speechiness
        type: PropertyValue
        value: 0.076
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.92
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.059
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.83
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Immutable - Truncate Remix
    type: MusicRecording
    duration: PT5M1S
    duration ms: 301691
    explicit: false
    by artist: David Castellani
    in album: Immutable
      type: MusicAlbum
      date published: 2024-08-16
    isrc code: DECY52400910
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T01:19:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcbcb2e7c2e5d894b7dde69c3df6c497044c982ba93527316743b4ef8c1925b21
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957118
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957118
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DECY52400910
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbcb2e7c2e5d894b7dde69c3df6c497044c982ba93527316743b4ef8c1925b21. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DECY52400910.
      date published: 2026-07-08T03:20:19Z
    audio: Immutable - Truncate Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 146.565
      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: Self Saboteur

Musical Key
type: PropertyValue
value: 4

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.748

Energy
type: PropertyValue
value: 0.932

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.046

Instrumentalness
type: PropertyValue
value: 0.938

Liveness
type: PropertyValue
value: 0.109

Valence (Positivity)
type: PropertyValue
value: 0.091

Loudness (dB)
type: PropertyValue
value: -13.518

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Self Saboteur
type: MusicAlbum
date published: 2025-04-18