A.D. 4
type: MusicGroup
popularity: 14
followers: 969
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01cf1d580ef82fa5364b01307749c69d1ca2aace49494d2b5952522b2ae7f6f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953746
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953746
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a575f9c6-df5e-4847-97fa-eb8d03f1ca36.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a575f9c6-df5e-4847-97fa-eb8d03f1ca36.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a575f9c6-df5e-4847-97fa-eb8d03f1ca36
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T05:25:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x01cf1d580ef82fa5364b01307749c69d1ca2aace49494d2b5952522b2ae7f6f0","name":"A.D. 4","registered_at":"2026-06-14T21:57:59Z","symbol":"NIM0588847","token_address":"0xdd8052e9c0b15795f6d243830fe7ec0fc3011449","type":"artist","uuid":"a575f9c6-df5e-4847-97fa-eb8d03f1ca36"}
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 0x01cf1d580ef82fa5364b01307749c69d1ca2aace49494d2b5952522b2ae7f6f0. Chain 2 (Bitcoin): anchored in block 953746 (2026-06-15T05:25:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a575f9c6-df5e-4847-97fa-eb8d03f1ca36.json and https://artists.proofprofile.net/proofs/artist/a575f9c6-df5e-4847-97fa-eb8d03f1ca36.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T05:25:34Z
  text: {"copyright_id":"0x01cf1d580ef82fa5364b01307749c69d1ca2aace49494d2b5952522b2ae7f6f0","name":"A.D. 4","registered_at":"2026-06-14T21:57:59Z","symbol":"NIM0588847","token_address":"0xdd8052e9c0b15795f6d243830fe7ec0fc3011449","type":"artist","uuid":"a575f9c6-df5e-4847-97fa-eb8d03f1ca36"}
album: Evil Be Done
  type: MusicAlbum
  date published: 2021-06-22
album: To The Stars
  type: MusicAlbum
  date published: 2021-07-13
album: Keepers Of The Way
  type: MusicAlbum
  date published: 2021-07-27
album: The Tone Of The String
  type: MusicAlbum
  date published: 2021-08-10
album: A.D.4
  type: MusicAlbum
  date published: 2021-08-18
album: The Roar Of Silver Wings
  type: MusicAlbum
  date published: 2021-11-16
album: Lady Queen Of Dice
  type: MusicAlbum
  date published: 2022-01-11
album: The Tone Of The String (Alt. Version)
  type: MusicAlbum
  date published: 2022-04-05
album: Battle Of Armageddon
  type: MusicAlbum
  date published: 2022-08-02
album: Mary's Ghost
  type: MusicAlbum
  date published: 2022-10-12
album: Sound Barrier
  type: MusicAlbum
  date published: 2023-02-07
album: There And Back Again
  type: MusicAlbum
  date published: 2023-04-04
album: Immortal
  type: MusicAlbum
  date published: 2023-09-06
album: Tomb
  type: MusicAlbum
  date published: 2023-11-07
album: Wrath Of The Saints
  type: MusicAlbum
  date published: 2023-11-14
album: Christmas Eve 1843
  type: MusicAlbum
  date published: 2023-12-19
album: II - STORM GIANT
  type: MusicAlbum
  date published: 2024-06-04
album: Who Goes There?
  type: MusicAlbum
  date published: 2024-06-27
album: The Empty Carriage
  type: MusicAlbum
  date published: 2024-10-08
album: Hands Of Time
  type: MusicAlbum
  date published: 2024-12-01
  track: Hands Of Time
    type: MusicRecording
    duration: PT5M32S
    duration ms: 332401
    explicit: false
    by artist: A.D. 4
    in album: Hands Of Time
      type: MusicAlbum
      date published: 2024-12-01
    isrc code: QZZ7L2408811
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T00:21:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf54bde060b0eee1b3fdddca3623bbae6b8d06272803c998500eb1448f74e2530
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958091
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958091
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7L2408811
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T03:17:03Z
    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 0xf54bde060b0eee1b3fdddca3623bbae6b8d06272803c998500eb1448f74e2530. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/QZZ7L2408811.
      date published: 2026-07-15T03:17:03Z
    audio: Hands Of Time
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.061
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.475
      additional property: Energy
        type: PropertyValue
        value: 0.869
      additional property: Speechiness
        type: PropertyValue
        value: 0.094
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.167
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.434
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.19
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Mistress Of The Sea
  type: MusicAlbum
  date published: 2025-01-19
album: Dials Up To Ten
  type: MusicAlbum
  date published: 2025-03-14
album: The Curse
  type: MusicAlbum
  date published: 2025-04-25
album: The Galleon (Salvar Nuestras Almas)
  type: MusicAlbum
  date published: 2025-06-05
album: Year Of The Dragon
  type: MusicAlbum
  date published: 2025-07-24
album: Roll Heavy
  type: MusicAlbum
  date published: 2025-09-18
album: Empty Carriage

Empty Carriage
type: MusicAlbum
date published: 2025-10-23

Year Of The Dragon
type: MusicAlbum
date published: 2025-10-27