Longhi
type: MusicGroup
genre: afro house
description: Longhi is an Italian surname. Notable people with the name include: Arts Alessandro Longhi (1733–1813), painter Barbara Longhi (1552–1638), painter, daughter of Luca Giuseppe Longhi (1766–1831), I
popularity: 10
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57db66c0782f9096234c9a7ad1deba91c74571c26dfc10e83ff9707507a85f45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954025
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954025
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38391be1-6ee2-4178-b464-8c7183bd24df.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38391be1-6ee2-4178-b464-8c7183bd24df.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/38391be1-6ee2-4178-b464-8c7183bd24df
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T00:32:47Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57db66c0782f9096234c9a7ad1deba91c74571c26dfc10e83ff9707507a85f45. Chain 2 (Bitcoin): anchored in block 954025 (2026-06-17T00:32:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38391be1-6ee2-4178-b464-8c7183bd24df.json and https://artists.proofprofile.net/proofs/artist/38391be1-6ee2-4178-b464-8c7183bd24df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T00:32:47Z
album: You
  type: MusicAlbum
  date published: 2025-07-11
  track: You
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225230
    explicit: false
    by artist: Longhi
    in album: You
      type: MusicAlbum
      date published: 2025-07-11
    genre: afro house
    isrc code: CH7812541744
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T14:20:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb6686b67c4b693f86ea5fc2cb5a4712ea8d928de360084060d055b72ee7bed0e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958163
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958163
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH7812541744
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:38:07Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6686b67c4b693f86ea5fc2cb5a4712ea8d928de360084060d055b72ee7bed0e. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/CH7812541744.
      date published: 2026-07-15T14:38:07Z
    audio: You
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.004
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.677
      additional property: Energy
        type: PropertyValue
        value: 0.736
      additional property: Speechiness
        type: PropertyValue
        value: 0.053
      additional property: Acousticness
        type: PropertyValue
        value: 0.086
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.225
      additional property: Liveness
        type: PropertyValue
        value: 0.084
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.643
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.979
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor