Fred Hampton
type: MusicGroup
genre: spoken word
description: Fredrick Allen Hampton Sr. (August 30, 1948 – December 4, 1969) was an African American activist and revolutionary socialist. He came to prominence in his late teens and early 20s in Chicago as deputy
popularity: 2
followers: 3592
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8e0901a4c75119d57b3c03a461a42aa657afeccf82dca4809f7a69873ff3945d
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/a544de6f-1d73-42de-bd6b-b3f4f907f6fd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a544de6f-1d73-42de-bd6b-b3f4f907f6fd.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a544de6f-1d73-42de-bd6b-b3f4f907f6fd
additional property: OTSTimestamp
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  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x8e0901a4c75119d57b3c03a461a42aa657afeccf82dca4809f7a69873ff3945d. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a544de6f-1d73-42de-bd6b-b3f4f907f6fd.json and https://artists.proofprofile.net/proofs/artist/a544de6f-1d73-42de-bd6b-b3f4f907f6fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x8e0901a4c75119d57b3c03a461a42aa657afeccf82dca4809f7a69873ff3945d","name":"Fred Hampton","registered_at":"2026-06-20T07:19:17Z","symbol":"NIM1552564","token_address":"0xf7659f1ad79fc1186fdd893aa81ec8f5209ab9ef","type":"artist","uuid":"a544de6f-1d73-42de-bd6b-b3f4f907f6fd"}
album: The Black Panther Speeches
  type: MusicAlbum
  date published: 2008-01-01
album: Power to the People - The Black Panther Speeches
  type: MusicAlbum
  date published: 2012-06-11