One Last Time
type: MusicGroup
description: One Last Time may refer to: Songs "One Last Time" (Agnes song), 2012 "One Last Time" (Ariana Grande song), 2014 "One Last Time" (Dusty Drake song), 2003 "One Last Time" (Hamilton song), from Hami
popularity: 17
followers: 542
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x48cbe1d0a7b5a06a8e2ebf0995fa10de148459fe2b832a60516b182464218843
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953697
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953697
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/66a957c5-2618-45e6-9b37-e2decee97b1c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/66a957c5-2618-45e6-9b37-e2decee97b1c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/66a957c5-2618-45e6-9b37-e2decee97b1c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:49:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x48cbe1d0a7b5a06a8e2ebf0995fa10de148459fe2b832a60516b182464218843","name":"One Last Time","registered_at":"2026-06-14T15:18:20Z","symbol":"NIM0493568","token_address":"0x44fa8462055c283b30c51b4e17bc67b56302179b","type":"artist","uuid":"66a957c5-2618-45e6-9b37-e2decee97b1c"}
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 0x48cbe1d0a7b5a06a8e2ebf0995fa10de148459fe2b832a60516b182464218843. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/66a957c5-2618-45e6-9b37-e2decee97b1c.json and https://artists.proofprofile.net/proofs/artist/66a957c5-2618-45e6-9b37-e2decee97b1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0x48cbe1d0a7b5a06a8e2ebf0995fa10de148459fe2b832a60516b182464218843","name":"One Last Time","registered_at":"2026-06-14T15:18:20Z","symbol":"NIM0493568","token_address":"0x44fa8462055c283b30c51b4e17bc67b56302179b","type":"artist","uuid":"66a957c5-2618-45e6-9b37-e2decee97b1c"}
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