United Blood
type: MusicGroup
description: United Blood is the debut EP 7" from New York hardcore band Agnostic Front. It was released in 1983 on their own AF Records label. 1,000 copies in total were pressed. In 2009, Bridge9 re-released the
popularity: 2
followers: 277
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e069fc9747ed22ee55b79fcb4b479fd3b301aefa558f01ed85924306ff7cda0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953907
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/15f65a4b-896b-4636-bb30-156a9365a2ce.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/15f65a4b-896b-4636-bb30-156a9365a2ce.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/15f65a4b-896b-4636-bb30-156a9365a2ce
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:39:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1e069fc9747ed22ee55b79fcb4b479fd3b301aefa558f01ed85924306ff7cda0","name":"United Blood","registered_at":"2026-06-15T21:12:54Z","symbol":"NIM0833488","token_address":"0x0b595e28bb6f3101e10a45a4691b18fff441089d","type":"artist","uuid":"15f65a4b-896b-4636-bb30-156a9365a2ce"}
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 0x1e069fc9747ed22ee55b79fcb4b479fd3b301aefa558f01ed85924306ff7cda0. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/15f65a4b-896b-4636-bb30-156a9365a2ce.json and https://artists.proofprofile.net/proofs/artist/15f65a4b-896b-4636-bb30-156a9365a2ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x1e069fc9747ed22ee55b79fcb4b479fd3b301aefa558f01ed85924306ff7cda0","name":"United Blood","registered_at":"2026-06-15T21:12:54Z","symbol":"NIM0833488","token_address":"0x0b595e28bb6f3101e10a45a4691b18fff441089d","type":"artist","uuid":"15f65a4b-896b-4636-bb30-156a9365a2ce"}
album: You Wanna War
  type: MusicAlbum
  date published: 2012-10-05
album: The Plague
  type: MusicAlbum
  date published: 2015-11-09
album: Rise from the Ashes
  type: MusicAlbum
  date published: 2016-03-23