Paris
type: MusicGroup
description: Paris is the capital and largest city of France, with an estimated city population of 2.04 million in an area of , and a metropolitan population of 13.2 million as of . Located on the river Seine in t
popularity: 9
followers: 1061
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6147d87ab5a5bfbe7f84e566c100eab2573eb3f513f3bd4295b5553a19bc283b. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/575f02d0-5168-475a-bc93-88d63c59c151.json and https://artists.proofprofile.net/proofs/artist/575f02d0-5168-475a-bc93-88d63c59c151.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Big Towne, 2061
  type: MusicAlbum
  date published: 1976-08-05
album: Paris
  type: MusicAlbum
  date published: 2012-07-06
  track: Black Book
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183266
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    by artist: Paris
    in album: Paris
      type: MusicAlbum
      date published: 2012-07-06
    isrc code: USCA29300778
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T01:12:41Z
    audio: Black Book
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Mode (Major/Minor)
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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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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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