Bill Frederick
type: MusicGroup
description: Willard "Bill" Drawn Frederick (born July 6, 1934) is a former American politician who served as the 30th Mayor of Orlando, Florida, from 1981 to 1992, succeeding after Mayor Carl Langford. Frederic
popularity: 4
followers: 133
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x88470d990eac556a9be4975553f2c5d4ad64b8ce9af05e5cc5719b79d075b59b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/c8be17f6-5e20-429b-be16-5fa5a39de6f6.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/c8be17f6-5e20-429b-be16-5fa5a39de6f6.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0x88470d990eac556a9be4975553f2c5d4ad64b8ce9af05e5cc5719b79d075b59b. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c8be17f6-5e20-429b-be16-5fa5a39de6f6.json and https://artists.proofprofile.net/proofs/artist/c8be17f6-5e20-429b-be16-5fa5a39de6f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x88470d990eac556a9be4975553f2c5d4ad64b8ce9af05e5cc5719b79d075b59b","name":"Bill Frederick","registered_at":"2026-06-20T22:03:09Z","symbol":"NIM1728273","token_address":"0xaf46e62dfb0e74dcae23a35f3ae66eec30e22cc4","type":"artist","uuid":"c8be17f6-5e20-429b-be16-5fa5a39de6f6"}
album: Hey, Hey.. LBJ! Songs of the U.S. Anti-War Movement
  type: MusicAlbum
  date published: 2013-08-01
  track: Hey, Hey L.B.J.
    type: MusicRecording
    duration: PT2M15S
    duration ms: 135426
    explicit: false
    by artist: Bill Frederick
    in album: Hey, Hey.. LBJ! Songs of the U.S. Anti-War Movement
      type: MusicAlbum
      date published: 2013-08-01
    isrc code: QMFMG1304421
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T06:56:49Z
    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 0x2206f850cdc0e20b1a4bce65aae90889c1c7f217cd02affe2d6d73c29f724878. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QMFMG1304421.
      date published: 2026-07-06T06:56:49Z
    audio: Hey, Hey L.B.J.
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.078
      additional property: Musical Key
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        value: 10
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
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        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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      additional property: Instrumentalness
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      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
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        value: 0.796
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.013
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
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