James Danko
type: MusicGroup
description: James M. Danko is an American entrepreneur and academic administrator serving as the 21st president of Butler University in Indianapolis, Indiana, since 2011. Early life and career Danko grew up in
popularity: 4
followers: 86
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d6c0d658df3a7196e3c6af0d69f001b805abe2e618ff11e888aaafa4f18f7ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e29a6920-ee64-48ad-8463-9113cb53315b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e29a6920-ee64-48ad-8463-9113cb53315b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e29a6920-ee64-48ad-8463-9113cb53315b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8d6c0d658df3a7196e3c6af0d69f001b805abe2e618ff11e888aaafa4f18f7ee","name":"James Danko","registered_at":"2026-06-21T07:32:54Z","symbol":"NIM1863498","token_address":"0xe1fc0cc4d311c92df969a547d73efc9375dbd9a5","type":"artist","uuid":"e29a6920-ee64-48ad-8463-9113cb53315b"}
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 0x8d6c0d658df3a7196e3c6af0d69f001b805abe2e618ff11e888aaafa4f18f7ee. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e29a6920-ee64-48ad-8463-9113cb53315b.json and https://artists.proofprofile.net/proofs/artist/e29a6920-ee64-48ad-8463-9113cb53315b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
  text: {"copyright_id":"0x8d6c0d658df3a7196e3c6af0d69f001b805abe2e618ff11e888aaafa4f18f7ee","name":"James Danko","registered_at":"2026-06-21T07:32:54Z","symbol":"NIM1863498","token_address":"0xe1fc0cc4d311c92df969a547d73efc9375dbd9a5","type":"artist","uuid":"e29a6920-ee64-48ad-8463-9113cb53315b"}
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