STEFFI
type: MusicGroup
description: Steffi is a feminine given name, often a short form (hypocorism) of Stephanie or Stefanie. Steffi is the name of: Steffi Duna (1910-1992), Hungarian-born film actress born Erzébet Berindey Steffi Gö
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xda5d3a4af5570e2229bae63f79117fce3e69a382da9e1152d2f0fafea466dd84
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92463258-4e07-4579-8e89-c57337e68a39.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92463258-4e07-4579-8e89-c57337e68a39.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/92463258-4e07-4579-8e89-c57337e68a39
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
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 0xda5d3a4af5570e2229bae63f79117fce3e69a382da9e1152d2f0fafea466dd84. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92463258-4e07-4579-8e89-c57337e68a39.json and https://artists.proofprofile.net/proofs/artist/92463258-4e07-4579-8e89-c57337e68a39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
album: wish you success
  type: MusicAlbum
  date published: 2025-03-16
album: endure the pain
  type: MusicAlbum
  date published: 2025-03-21
album: everything is fine
  type: MusicAlbum
  date published: 2025-03-22
album: beautiful eyes
  type: MusicAlbum
  date published: 2025-03-23
album: he meaning of love
  type: MusicAlbum
  date published: 2025-03-23
  track: he meaning of love
    type: MusicRecording
    duration: PT4M32S
    duration ms: 272466
    explicit: false
    by artist: STEFFI
    in album: he meaning of love
      type: MusicAlbum
      date published: 2025-03-23
    isrc code: GXD7G2571027
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T22:11:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc0b9eb1dea5cd093768ae44018f2b190fd31e0b58e6e6c1f73ad7f5739330344
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958461
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958461
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXD7G2571027
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T23:18:11Z
    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 0xc0b9eb1dea5cd093768ae44018f2b190fd31e0b58e6e6c1f73ad7f5739330344. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/GXD7G2571027.
      date published: 2026-07-17T23:18:11Z
    audio: he meaning of love
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 69.763
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.301
      additional property: Energy
        type: PropertyValue
        value: 0.012
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.96
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.865
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.053
      additional property: Loudness (dB)
        type: PropertyValue
        value: -31.488
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: heaven and earth
  type: MusicAlbum
  date published: 2025-03-23
album: past
  type: MusicAlbum
  date published: 2025-03-26
album: never forgotten
  type: MusicAlbum
  date published: 2025-03-26
album: sweet scars
  type: MusicAlbum
  date published: 2025-03-27
album: bear the pain
  type: MusicAlbum
  date published: 2025-03-27
album: feel tired
  type: MusicAlbum
  date published: 2025-03-27
album: feel lonely
  type: MusicAlbum
  date published: 2025-03-27