Smile
type: MusicGroup
description: thumb|Detail of the Mona Lisa, who is known for her smilethumb|A smiling child A smile is a facial expression formed primarily by flexing the muscles at the sides of the mouth. Some smiles include a c
popularity: 3
followers: 163
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x730a904a91834d131d12966fdfcb2f375a270a5e872f7c9457145f67f62c84ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7bdc2213-be64-4374-9d90-e626531d1bd1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7bdc2213-be64-4374-9d90-e626531d1bd1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7bdc2213-be64-4374-9d90-e626531d1bd1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
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 0x730a904a91834d131d12966fdfcb2f375a270a5e872f7c9457145f67f62c84ec. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7bdc2213-be64-4374-9d90-e626531d1bd1.json and https://artists.proofprofile.net/proofs/artist/7bdc2213-be64-4374-9d90-e626531d1bd1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
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album: Кини
  type: MusicAlbum
  date published: 2023-06-01
  track: Кини
    type: MusicRecording
    duration: PT4M4S
    duration ms: 244389
    explicit: false
    by artist: Smile
    in album: Кини
      type: MusicAlbum
      date published: 2023-06-01
    isrc code: AEA2M2368029
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T11:47:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xec2cd9385077c4a1be0a8a84e63a37d4accad602e52faa06d0a430ad71154187
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958547
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958547
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AEA2M2368029
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:44:05Z
    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 0xec2cd9385077c4a1be0a8a84e63a37d4accad602e52faa06d0a430ad71154187. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/AEA2M2368029.
      date published: 2026-07-18T12:44:05Z
    audio: Кини
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 111.993
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.889
      additional property: Energy
        type: PropertyValue
        value: 0.433
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.175
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.782
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.076
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
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