יהודה לויכטר
type: MusicGroup
popularity: 5
followers: 85
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3ca71e3af61b65b2bf63a4ef4a714ec885e6a59194c499e9d62dd65ac705fae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8975d07-edfd-471e-9940-c0f2829d08cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8975d07-edfd-471e-9940-c0f2829d08cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f8975d07-edfd-471e-9940-c0f2829d08cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc3ca71e3af61b65b2bf63a4ef4a714ec885e6a59194c499e9d62dd65ac705fae","name":"יהודה לויכטר","registered_at":"2026-06-21T16:21:42Z","symbol":"NIM1968312","token_address":"0xb661c849621baaa1e59f920e29f952b3f76b654e","type":"artist","uuid":"f8975d07-edfd-471e-9940-c0f2829d08cc"}
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 0xc3ca71e3af61b65b2bf63a4ef4a714ec885e6a59194c499e9d62dd65ac705fae. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8975d07-edfd-471e-9940-c0f2829d08cc.json and https://artists.proofprofile.net/proofs/artist/f8975d07-edfd-471e-9940-c0f2829d08cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:16:07Z
  text: {"copyright_id":"0xc3ca71e3af61b65b2bf63a4ef4a714ec885e6a59194c499e9d62dd65ac705fae","name":"יהודה לויכטר","registered_at":"2026-06-21T16:21:42Z","symbol":"NIM1968312","token_address":"0xb661c849621baaa1e59f920e29f952b3f76b654e","type":"artist","uuid":"f8975d07-edfd-471e-9940-c0f2829d08cc"}
album: שירת העשבים
  type: MusicAlbum
  date published: 2022-04-05
  track: שירת העשבים
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202971
    explicit: false
    by artist: יהודה לויכטר
    in album: שירת העשבים
      type: MusicAlbum
      date published: 2022-04-05
    isrc code: IL7192400108
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T20:52:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2b6cd11c289e44dc8287f36d2ec464c28f7499429d1e16152a633b635b56942b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958063
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958063
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IL7192400108
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T21:07:34Z
    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 0x2b6cd11c289e44dc8287f36d2ec464c28f7499429d1e16152a633b635b56942b. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/IL7192400108.
      date published: 2026-07-14T21:07:34Z
    audio: שירת העשבים
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.039
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.331
      additional property: Energy
        type: PropertyValue
        value: 0.619
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.626
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.103
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.465
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.896
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: כמה אור
  type: MusicAlbum
  date published: 2023-02-01
album: משנכנס אדר
  type: MusicAlbum
  date published: 2025-03-11
album: Chant Down Babilon
  type: MusicAlbum
  date published: 2025-04-22