ågren
type: MusicGroup
genre: lo-fi
description: Ågren is a Swedish family name. Some people with these surname include: Björn Ågren (born 1979), Swedish guitarist Erik Ågren (boxer) (1916–1985), Swedish boxer Erik Ågren (writer) (1924–2008), F
popularity: 8
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd2a2238fea1888cfea79e23a6aa316e2d21eea93790267344720ec795c9b4bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/63a49c4e-591b-4d87-8865-d4058a2fba40.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/63a49c4e-591b-4d87-8865-d4058a2fba40.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/63a49c4e-591b-4d87-8865-d4058a2fba40
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdd2a2238fea1888cfea79e23a6aa316e2d21eea93790267344720ec795c9b4bd","name":"ågren","registered_at":"2026-06-17T00:25:09Z","symbol":"NIM1223063","token_address":"0x5d395dc2a084c8632726e168a137b4e0e2834d00","type":"artist","uuid":"63a49c4e-591b-4d87-8865-d4058a2fba40"}
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 0xdd2a2238fea1888cfea79e23a6aa316e2d21eea93790267344720ec795c9b4bd. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/63a49c4e-591b-4d87-8865-d4058a2fba40.json and https://artists.proofprofile.net/proofs/artist/63a49c4e-591b-4d87-8865-d4058a2fba40.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xdd2a2238fea1888cfea79e23a6aa316e2d21eea93790267344720ec795c9b4bd","name":"ågren","registered_at":"2026-06-17T00:25:09Z","symbol":"NIM1223063","token_address":"0x5d395dc2a084c8632726e168a137b4e0e2834d00","type":"artist","uuid":"63a49c4e-591b-4d87-8865-d4058a2fba40"}
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