Esther Bejarano
type: MusicGroup
description: Esther Béjarano ( Löwy; 15 December 1924 – 10 July 2021) was one of the last survivors of the Auschwitz concentration camp. She survived because she was a player in the Women's Orchestra of Auschwitz.
popularity: 3
followers: 512
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1536deedf15add6f6060ef801fe3f3e1928b89b6717f25d9ca952954d5313081
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/74c6b142-f145-49eb-8369-3671ceceb677.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/74c6b142-f145-49eb-8369-3671ceceb677.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/74c6b142-f145-49eb-8369-3671ceceb677
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1536deedf15add6f6060ef801fe3f3e1928b89b6717f25d9ca952954d5313081","name":"Esther Bejarano","registered_at":"2026-06-17T06:17:57Z","symbol":"NIM1307256","token_address":"0x9d4a96ae55e56442cf8765160c03c5f18d1b537e","type":"artist","uuid":"74c6b142-f145-49eb-8369-3671ceceb677"}
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 0x1536deedf15add6f6060ef801fe3f3e1928b89b6717f25d9ca952954d5313081. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/74c6b142-f145-49eb-8369-3671ceceb677.json and https://artists.proofprofile.net/proofs/artist/74c6b142-f145-49eb-8369-3671ceceb677.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x1536deedf15add6f6060ef801fe3f3e1928b89b6717f25d9ca952954d5313081","name":"Esther Bejarano","registered_at":"2026-06-17T06:17:57Z","symbol":"NIM1307256","token_address":"0x9d4a96ae55e56442cf8765160c03c5f18d1b537e","type":"artist","uuid":"74c6b142-f145-49eb-8369-3671ceceb677"}
album: Lieder aus dem Widerstand
  type: MusicAlbum
  date published: 2021-08-18