PlayGround Fire
type: MusicGroup
popularity: 14
followers: 4747
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29147f647f744ed299800d546c0254aaac20ae7c7476b232487cc8ca307ef53c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953713
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/85cbb0d9-40dc-4a0f-894a-7b9949d73825.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/85cbb0d9-40dc-4a0f-894a-7b9949d73825.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/85cbb0d9-40dc-4a0f-894a-7b9949d73825
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T00:33:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x29147f647f744ed299800d546c0254aaac20ae7c7476b232487cc8ca307ef53c","name":"PlayGround Fire","registered_at":"2026-06-14T18:27:24Z","symbol":"NIM0538638","token_address":"0x5bc3ee7031af293b9b075364075d5a2ce3398b67","type":"artist","uuid":"85cbb0d9-40dc-4a0f-894a-7b9949d73825"}
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 0x29147f647f744ed299800d546c0254aaac20ae7c7476b232487cc8ca307ef53c. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/85cbb0d9-40dc-4a0f-894a-7b9949d73825.json and https://artists.proofprofile.net/proofs/artist/85cbb0d9-40dc-4a0f-894a-7b9949d73825.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T00:33:41Z
  text: {"copyright_id":"0x29147f647f744ed299800d546c0254aaac20ae7c7476b232487cc8ca307ef53c","name":"PlayGround Fire","registered_at":"2026-06-14T18:27:24Z","symbol":"NIM0538638","token_address":"0x5bc3ee7031af293b9b075364075d5a2ce3398b67","type":"artist","uuid":"85cbb0d9-40dc-4a0f-894a-7b9949d73825"}
album: Velaske, Yo Soi Guapa? (Las Meninas Trap Mix)
  type: MusicAlbum
  date published: 2017-12-15
album: Velaske, Yo Soi Guapa? (Las Meninas Trap Mix)
  type: MusicAlbum
  date published: 2017-12-22
album: Te Coloniso
  type: MusicAlbum
  date published: 2018-03-30
album: Te Coloniso
  type: MusicAlbum
  date published: 2018-03-30
album: Cleopatra, Bésame el Triangulito
  type: MusicAlbum
  date published: 2018-06-21
album: Cleopatra, Bésame el Triangulito
  type: MusicAlbum
  date published: 2018-06-21
  track: Cleopatra, Bésame el Triangulito
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210600
    explicit: false
    by artist: PlayGround Fire
    in album: Cleopatra, Bésame el Triangulito
      type: MusicAlbum
      date published: 2018-06-21
    isrc code: ES6061846201
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:07:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x98da1911f0d974879a3e84e12221f054b7d8bfc508b9e1835bc59271b3e4d470
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6061846201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0x98da1911f0d974879a3e84e12221f054b7d8bfc508b9e1835bc59271b3e4d470. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ES6061846201.
      date published: 2026-07-04T10:04:33Z
    audio: Cleopatra, Bésame el Triangulito
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.027
      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: 0.674
      additional property: Energy
        type: PropertyValue
        value: 0.858
      additional property: Speechiness
        type: PropertyValue
        value: 0.147
      additional property: Acousticness
        type: PropertyValue
        value: 0.599
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.54
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.374
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.441
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Back To The Führer
  type: MusicAlbum
  date published: 2018-11-16
  track: Back To The Führer
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223124
    explicit: true
    by artist: PlayGround Fire
    in album: Back To The Führer
      type: MusicAlbum
      date published: 2018-11-16
    isrc code: ES6061850101
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T10:06:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x17f7f2457d7bf8db9fad19a6339366330201b11591efcece10ff9f0fdf43a1f4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957064
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957064
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6061850101
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-07T16:43:08Z
    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 0x17f7f2457d7bf8db9fad19a6339366330201b11591efcece10ff9f0fdf43a1f4. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/ES6061850101.
      date published: 2026-07-07T16:43:08Z
    audio: Back To The Führer
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.059
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.872
      additional property: Energy
        type: PropertyValue
        value: 0.889
      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

Speechiness
type: PropertyValue
value: 0.151

Acousticness
type: PropertyValue
value: 0.002

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.088

Valence (Positivity)
type: PropertyValue
value: 0.246

Loudness (dB)
type: PropertyValue
value: -10.47

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Back To The Führer
type: MusicAlbum
date published: 2018-11-16