Waves
type: MusicGroup
description: thumb|right|alt=Female WAVE officer sitting at her desk in dress blue uniform |Captain Mildred H. McAfee was the first director of the WAVES (1942–1945). The photo was taken in 1942 or 1943, when she
popularity: 15
followers: 183
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051f41fe879c1910cb633c779fafebcfaaa0f275e3765a06ed473baf7df1ab9d. Chain 2 (Bitcoin): anchored in block 953681 (2026-06-14T19:31:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/644b885b-aa5f-4130-a364-da88a3263587.json and https://artists.proofprofile.net/proofs/artist/644b885b-aa5f-4130-a364-da88a3263587.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:31:23Z
album: Blue Horizon
  type: MusicAlbum
  date published: 2023-02-27
  track: Seaside Solitude
    type: MusicRecording
    duration: PT1M2S
    duration ms: 62427
    explicit: false
    by artist: Waves
    in album: Blue Horizon
      type: MusicAlbum
      date published: 2023-02-27
    isrc code: QZMHN2398602
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03d952c5391605eee7eb24c88eb973aa96ed7d7917915e507a8b625ac84d2c0. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QZMHN2398602.
      date published: 2026-07-03T04:03:57Z
    audio: Seaside Solitude
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
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        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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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
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        value: 0.952
      additional property: Valence (Positivity)
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        value: 0.009
      additional property: Loudness (dB)
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        value: -28.148
      additional property: Key Name
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        value: D
      additional property: Mode Name
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album: Ocean Sounds
  type: MusicAlbum
  date published: 2023-04-14