האחים ולדמן
type: MusicGroup
popularity: 4
followers: 103
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x597ac64c1b6383bb6d795009229625aa1a6f084ab79d5657afe567b63a31de90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de60814e-7056-42fc-bddd-9c0f030d2c90.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/de60814e-7056-42fc-bddd-9c0f030d2c90.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/de60814e-7056-42fc-bddd-9c0f030d2c90
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x597ac64c1b6383bb6d795009229625aa1a6f084ab79d5657afe567b63a31de90","name":"האחים ולדמן","registered_at":"2026-06-21T05:50:12Z","symbol":"NIM1839248","token_address":"0x5815c36b92a0c0101e9e559c0b3f1c9a200e45b2","type":"artist","uuid":"de60814e-7056-42fc-bddd-9c0f030d2c90"}
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 0x597ac64c1b6383bb6d795009229625aa1a6f084ab79d5657afe567b63a31de90. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/de60814e-7056-42fc-bddd-9c0f030d2c90.json and https://artists.proofprofile.net/proofs/artist/de60814e-7056-42fc-bddd-9c0f030d2c90.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x597ac64c1b6383bb6d795009229625aa1a6f084ab79d5657afe567b63a31de90","name":"האחים ולדמן","registered_at":"2026-06-21T05:50:12Z","symbol":"NIM1839248","token_address":"0x5815c36b92a0c0101e9e559c0b3f1c9a200e45b2","type":"artist","uuid":"de60814e-7056-42fc-bddd-9c0f030d2c90"}
album: שלום עליכם
  type: MusicAlbum
  date published: 2012-03-14