ATFC
type: MusicGroup
description: ATFC can refer to: Association football clubs Aberdare Town F.C. Abergavenny Thursdays F.C. Aberystwyth Town F.C. Abingdon Town F.C. Aldershot Town F.C. Alfreton Town F.C. Almondsbury Town F.
popularity: 3
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://artists.proofprofile.net/proofs/artist/a6d248fd-c2aa-48fb-a767-564fbecae4d6.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a6d248fd-c2aa-48fb-a767-564fbecae4d6
additional property: OTSTimestamp
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  value: 2026-06-20T08:57:02Z
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 0xdbc4d440de5c67b44878c044569fb1dc55ea0edb18ca1f755aaf7c051a3319f1. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6d248fd-c2aa-48fb-a767-564fbecae4d6.json and https://artists.proofprofile.net/proofs/artist/a6d248fd-c2aa-48fb-a767-564fbecae4d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
album: Bad Habit
  type: MusicAlbum
  date published: 2000
  track: Bad Habit (feat. Lisa Millet) - ATFC Club Mix
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190960
    explicit: false
    by artist: ATFC
    in album: Bad Habit
      type: MusicAlbum
      date published: 2000
    isrc code: GBCPZ0000073
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-05T01:12:41Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e7e92a73ed9f08f13f5b122fe6136d1fe6958d7c8c9af65d5f575820d634c0c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBCPZ0000073.
      date published: 2026-07-05T01:12:41Z
    audio: Bad Habit (feat. Lisa Millet) - ATFC Club Mix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.992
      additional property: Musical Key
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        value: 2
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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        value: 0.02
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.142
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.657
      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
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