Esa Nummela
type: MusicGroup
genre: iskelmä
genre: tango
popularity: 13
followers: 86
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1522e6f52fe31c02f5ae0dd2c3b41bb9428ee9fa2a560846b78db24659a5e032
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/27c080c2-32da-4707-805d-ebd3e69c7211.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/27c080c2-32da-4707-805d-ebd3e69c7211.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/27c080c2-32da-4707-805d-ebd3e69c7211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1522e6f52fe31c02f5ae0dd2c3b41bb9428ee9fa2a560846b78db24659a5e032","name":"Esa Nummela","registered_at":"2026-06-14T08:33:02Z","symbol":"NIM0396868","token_address":"0x33492513c86fd16723111a8ae2310418475244b5","type":"artist","uuid":"27c080c2-32da-4707-805d-ebd3e69c7211"}
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 0x1522e6f52fe31c02f5ae0dd2c3b41bb9428ee9fa2a560846b78db24659a5e032. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27c080c2-32da-4707-805d-ebd3e69c7211.json and https://artists.proofprofile.net/proofs/artist/27c080c2-32da-4707-805d-ebd3e69c7211.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0x1522e6f52fe31c02f5ae0dd2c3b41bb9428ee9fa2a560846b78db24659a5e032","name":"Esa Nummela","registered_at":"2026-06-14T08:33:02Z","symbol":"NIM0396868","token_address":"0x33492513c86fd16723111a8ae2310418475244b5","type":"artist","uuid":"27c080c2-32da-4707-805d-ebd3e69c7211"}
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  type: MusicAlbum
  date published: 2014-04-09
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  date published: 2020-11-13
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  type: MusicAlbum
  date published: 2021-10-01
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  type: MusicAlbum
  date published: 2022-03-04
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  type: MusicAlbum
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  type: MusicAlbum
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