Lost Arcade
type: MusicGroup
popularity: 4
followers: 366
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4ac5a670d6fca93bf40067f531d6fe347674917a784d7d64e41d25bd84e8daa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8db9f4d-b49f-4c92-9ef4-5434c9557643.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8db9f4d-b49f-4c92-9ef4-5434c9557643.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d8db9f4d-b49f-4c92-9ef4-5434c9557643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd4ac5a670d6fca93bf40067f531d6fe347674917a784d7d64e41d25bd84e8daa","name":"Lost Arcade","registered_at":"2026-06-21T03:37:08Z","symbol":"NIM1807685","token_address":"0x642d065ae86169d229e5b42535fe90fa3ba8cb28","type":"artist","uuid":"d8db9f4d-b49f-4c92-9ef4-5434c9557643"}
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 0xd4ac5a670d6fca93bf40067f531d6fe347674917a784d7d64e41d25bd84e8daa. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8db9f4d-b49f-4c92-9ef4-5434c9557643.json and https://artists.proofprofile.net/proofs/artist/d8db9f4d-b49f-4c92-9ef4-5434c9557643.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0xd4ac5a670d6fca93bf40067f531d6fe347674917a784d7d64e41d25bd84e8daa","name":"Lost Arcade","registered_at":"2026-06-21T03:37:08Z","symbol":"NIM1807685","token_address":"0x642d065ae86169d229e5b42535fe90fa3ba8cb28","type":"artist","uuid":"d8db9f4d-b49f-4c92-9ef4-5434c9557643"}
album: Rose Moon EP
  type: MusicAlbum
  date published: 2020-10-14
album: The Chase
  type: MusicAlbum
  date published: 2020-11-02
album: King's Cross
  type: MusicAlbum
  date published: 2020-11-13
album: Holding On
  type: MusicAlbum
  date published: 2021-02-23
  track: Holding On
    type: MusicRecording
    duration: PT5M36S
    duration ms: 336058
    explicit: false
    by artist: Lost Arcade
    in album: Holding On
      type: MusicAlbum
      date published: 2021-02-23
    isrc code: AU2W42100010
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T01:31:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2be958fb6282d52ada59bc4d659eb01fab2e2a06f59f3994c8b05cf7c816676a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958805
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958805
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AU2W42100010
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T02:22:58Z
    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 0x2be958fb6282d52ada59bc4d659eb01fab2e2a06f59f3994c8b05cf7c816676a. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/AU2W42100010.
      date published: 2026-07-20T02:22:58Z
    audio: Holding On
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.998
      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: 0.724
      additional property: Energy
        type: PropertyValue
        value: 0.822
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.042
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.89
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.088
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.711
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Origin
  type: MusicAlbum
  date published: 2021-03-30
album: Rush
  type: MusicAlbum
  date published: 2021-05-14
  track: Rush - Franky Rizardo Remix
    type: MusicRecording
    duration: PT4M59S
    duration ms: 299534
    explicit: false
    by artist: Lost Arcade
    in album: Rush
      type: MusicAlbum
      date published: 2021-05-14
    isrc code: AU2W42100024
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T13:44:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe324902f28eace9d266b8d9bcbe55d7dce7c1119a17f27cf7cc4a791a20a960d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959015
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959015
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AU2W42100024
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T16:46:43Z
    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 0xe324902f28eace9d266b8d9bcbe55d7dce7c1119a17f27cf7cc4a791a20a960d. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:46:43Z), 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/AU2W42100024.
      date published: 2026-07-21T16:46:43Z
    audio: Rush - Franky Rizardo Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.006
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.801
      additional property: Energy
        type: PropertyValue
        value: 0.498
      additional property: Speechiness
        type: PropertyValue
        value: 0.091
      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: Jupiter (Remixes)
album: Holding On (Live in the Studio)
album: Synchronicity

Acousticness
type: PropertyValue
value: 0.001

Instrumentalness
type: PropertyValue
value: 0.783

Liveness
type: PropertyValue
value: 0.107

Valence (Positivity)
type: PropertyValue
value: 0.457

Loudness (dB)
type: PropertyValue
value: -11.164

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Jupiter (Remixes)
type: MusicAlbum
date published: 2022-02-18

Holding On (Live in the Studio)
type: MusicAlbum
date published: 2022-10-28

Synchronicity
type: MusicAlbum
date published: 2023-01-31