Stephen Nachmanovitch
type: MusicGroup
genre: avant-garde
description: Stephen Nachmanovitch (born 1950) is an American musician, author, artist, and educator. He performs and teaches internationally as an improvisational violinist, and at the intersections of performing
popularity: 2
followers: 454
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb00f86552640938812b9b0228bdb39632b36c783f83d2fff5052431b808d4e2e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb00f86552640938812b9b0228bdb39632b36c783f83d2fff5052431b808d4e2e","name":"Stephen Nachmanovitch","registered_at":"2026-06-21T17:51:13Z","symbol":"NIM1992374","token_address":"0x97b533c7372eeed8cfe855012c0129b2b5aaaa92","type":"artist","uuid":"fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff"}
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 0xb00f86552640938812b9b0228bdb39632b36c783f83d2fff5052431b808d4e2e. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff.json and https://artists.proofprofile.net/proofs/artist/fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xb00f86552640938812b9b0228bdb39632b36c783f83d2fff5052431b808d4e2e","name":"Stephen Nachmanovitch","registered_at":"2026-06-21T17:51:13Z","symbol":"NIM1992374","token_address":"0x97b533c7372eeed8cfe855012c0129b2b5aaaa92","type":"artist","uuid":"fd231a1a-edc7-45bb-9b7f-6fe8e87a64ff"}
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