Aharon Feldman
type: MusicGroup
description: Rabbi Aharon Feldman (; born 18 January 1932) is an Orthodox Jewish rabbi and rosh yeshiva (dean) of Yeshivas Ner Yisroel (Ner Israel Rabbinical College) in Baltimore, Maryland. He has held this posi
popularity: 2
followers: 85
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5f4ab3e3f33cd4e19aa4efff350cf122d1b8c7c9f67fe13c85d771ccd053ec5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953885
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953885
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0cad313c-8281-48bb-bcfb-f93c3d1e4194.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0cad313c-8281-48bb-bcfb-f93c3d1e4194.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0cad313c-8281-48bb-bcfb-f93c3d1e4194
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:12:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb5f4ab3e3f33cd4e19aa4efff350cf122d1b8c7c9f67fe13c85d771ccd053ec5","name":"Aharon Feldman","registered_at":"2026-06-15T17:47:51Z","symbol":"NIM0784594","token_address":"0xcbbc778a87de4cc9795399a710702a74b51d4e2e","type":"artist","uuid":"0cad313c-8281-48bb-bcfb-f93c3d1e4194"}
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 0xb5f4ab3e3f33cd4e19aa4efff350cf122d1b8c7c9f67fe13c85d771ccd053ec5. Chain 2 (Bitcoin): anchored in block 953885 (2026-06-16T04:12:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0cad313c-8281-48bb-bcfb-f93c3d1e4194.json and https://artists.proofprofile.net/proofs/artist/0cad313c-8281-48bb-bcfb-f93c3d1e4194.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T04:12:47Z
  text: {"copyright_id":"0xb5f4ab3e3f33cd4e19aa4efff350cf122d1b8c7c9f67fe13c85d771ccd053ec5","name":"Aharon Feldman","registered_at":"2026-06-15T17:47:51Z","symbol":"NIM0784594","token_address":"0xcbbc778a87de4cc9795399a710702a74b51d4e2e","type":"artist","uuid":"0cad313c-8281-48bb-bcfb-f93c3d1e4194"}
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  type: MusicAlbum
  date published: 2020-06-16
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