DaDa
type: MusicGroup
description: thumb|upright=1.35|Grand opening of the first Dada exhibition: International Dada Fair, Berlin, 5 June 1920. The central figure hanging from the ceiling is an effigy of a German officer with a pig's h
popularity: 14
followers: 187
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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
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  date published: 2026-06-14T19:07:16Z
album: Wasted
  type: MusicAlbum
  date published: 2023-09-05
album: Whole Hunnit
  type: MusicAlbum
  date published: 2023-09-05
album: Paper Playz
  type: MusicAlbum
  date published: 2024-01-18
track: Whoa (feat. DaDa)
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  by artist: Zae France
  by artist: DaDa
  in album: Rhythm n Backwoods Szn II
    type: MusicAlbum
    date published: 2023-08-24
  genre: pop-r-b
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
  audio: Whoa (feat. DaDa)
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    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: Valence (Positivity)
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    additional property: Key Name
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      value: D
    additional property: Mode Name
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track: Whoa (feat. DaDa)
  type: MusicRecording
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  by artist: Zae France
  by artist: DaDa
  in album: Whoa
    type: MusicAlbum
    date published: 2023-08-21
  genre: pop-r-b
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  additional property: OTSVerifyInstructions
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    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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8c4319cbf9d31e4e77666ef5de1d646aa64a258074d7d690420aa70798653b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USUM72311492.
    date published: 2026-06-13T15:41:10Z
  audio: Whoa (feat. DaDa)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    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
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Liveness
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value: 0.108

Valence (Positivity)
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Loudness (dB)
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Key Name
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value: D

Mode Name
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value: Major