Armstrong
type: MusicGroup
description: Armstrong may refer to: Places Armstrong Creek (disambiguation), various places Armstrong River (disambiguation), various rivers Antarctica Armstrong Reef, Biscoe Islands Argentina Armstrong,
popularity: 8
followers: 59
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x954f03ea178761078e943c364f68b3761e9f55ad4cbab1ab607336af0deccf75
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a84597fb-99c9-408a-b1a3-8d81f5cd1a77.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a84597fb-99c9-408a-b1a3-8d81f5cd1a77.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a84597fb-99c9-408a-b1a3-8d81f5cd1a77
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
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 0x954f03ea178761078e943c364f68b3761e9f55ad4cbab1ab607336af0deccf75. 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/a84597fb-99c9-408a-b1a3-8d81f5cd1a77.json and https://artists.proofprofile.net/proofs/artist/a84597fb-99c9-408a-b1a3-8d81f5cd1a77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
album: Thursday Night Club
  type: MusicAlbum
  date published: 2015-08-24
album: Armstrong
  type: MusicAlbum
  date published: 2015-09-28
album: SAWAIDE
  type: MusicAlbum
  date published: 2025-02-28
album: SAWAIDE
  type: MusicAlbum
  date published: 2025-02-28