Frai
type: MusicGroup
description: Frai is a surname. Notable people with the surname include: Athina Frai (born 1976), Greek windsurfer Felicita Frai (1909–2010), Czech-born Italian painter See also FRAI Fray (surname) Frei (disambi
popularity: 6
followers: 44
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe7ae7be0260fb75d5b18bae706c2dcc49c7e3d4b344c753c66ce5850f942151c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0791ddce-b300-496a-86f5-cc23b717fb4e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0791ddce-b300-496a-86f5-cc23b717fb4e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0791ddce-b300-496a-86f5-cc23b717fb4e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ae7be0260fb75d5b18bae706c2dcc49c7e3d4b344c753c66ce5850f942151c. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0791ddce-b300-496a-86f5-cc23b717fb4e.json and https://artists.proofprofile.net/proofs/artist/0791ddce-b300-496a-86f5-cc23b717fb4e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
album: Schach
  type: MusicAlbum
  date published: 2023-08-18
album: Zuhaus
  type: MusicAlbum
  date published: 2024-01-12
album: Ich Bin Frai EP
  type: MusicAlbum
  date published: 2024-09-26
album: Haus
  type: MusicAlbum
  date published: 2025-03-07