Joakim Ehn
type: MusicGroup
genre: swedish ballads
popularity: 2
followers: 530
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x125f91ad60fdefbcb6c8ecb59eee3d61213204b8b97889eefc5480ec6ab7398f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/543ac87f-7c5e-40c5-9ab6-027df3e5f2fc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/543ac87f-7c5e-40c5-9ab6-027df3e5f2fc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/543ac87f-7c5e-40c5-9ab6-027df3e5f2fc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x125f91ad60fdefbcb6c8ecb59eee3d61213204b8b97889eefc5480ec6ab7398f","name":"Joakim Ehn","registered_at":"2026-06-16T19:04:26Z","symbol":"NIM1146538","token_address":"0x5c8c03d00841fbada1c70c98399ae2c6c90971ef","type":"artist","uuid":"543ac87f-7c5e-40c5-9ab6-027df3e5f2fc"}
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 0x125f91ad60fdefbcb6c8ecb59eee3d61213204b8b97889eefc5480ec6ab7398f. 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/543ac87f-7c5e-40c5-9ab6-027df3e5f2fc.json and https://artists.proofprofile.net/proofs/artist/543ac87f-7c5e-40c5-9ab6-027df3e5f2fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x125f91ad60fdefbcb6c8ecb59eee3d61213204b8b97889eefc5480ec6ab7398f","name":"Joakim Ehn","registered_at":"2026-06-16T19:04:26Z","symbol":"NIM1146538","token_address":"0x5c8c03d00841fbada1c70c98399ae2c6c90971ef","type":"artist","uuid":"543ac87f-7c5e-40c5-9ab6-027df3e5f2fc"}
album: Det Ena Och Det Andra
  type: MusicAlbum
  date published: 1992-01-01
album: Go Your Own Way
  type: MusicAlbum
  date published: 2013-03-22
album: Sing for what matters
  type: MusicAlbum
  date published: 2016-01-27
album: Hjärtats Godhet
  type: MusicAlbum
  date published: 2016-09-10
album: Expressiv Själsfolk
  type: MusicAlbum
  date published: 2018-03-23
album: Expressions (Songs from 2011)
  type: MusicAlbum
  date published: 2021-07-23
album: Jag går omkring
  type: MusicAlbum
  date published: 2022-03-18
album: Dessa Människor Är Vi
  type: MusicAlbum
  date published: 2023-05-05
album: Dessa Människor Är Vi - Radio
  type: MusicAlbum
  date published: 2023-05-19
album: I'm on my way home
  type: MusicAlbum
  date published: 2024-02-15
album: Jag saknar dig
  type: MusicAlbum
  date published: 2025-02-23