Chemical Free
type: MusicGroup
description: Chemical free is a term used in marketing to imply that a product is safe, healthy or environmentally friendly because it only contains natural ingredients. The term is a misnomer, as all substances a
popularity: 5
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2bee63b4b47fa34fa357f1a5d4794b4e8d359a09e897cb1a7340d6a58b9b36d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb3fd4f7-047f-4b4e-b381-d89841823541.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb3fd4f7-047f-4b4e-b381-d89841823541.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fb3fd4f7-047f-4b4e-b381-d89841823541
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb2bee63b4b47fa34fa357f1a5d4794b4e8d359a09e897cb1a7340d6a58b9b36d","name":"Chemical Free","registered_at":"2026-06-21T17:22:23Z","symbol":"NIM1982004","token_address":"0xffc131afbe4e93c30c5e35c4e80d3b792181ce92","type":"artist","uuid":"fb3fd4f7-047f-4b4e-b381-d89841823541"}
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 0xb2bee63b4b47fa34fa357f1a5d4794b4e8d359a09e897cb1a7340d6a58b9b36d. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb3fd4f7-047f-4b4e-b381-d89841823541.json and https://artists.proofprofile.net/proofs/artist/fb3fd4f7-047f-4b4e-b381-d89841823541.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0xb2bee63b4b47fa34fa357f1a5d4794b4e8d359a09e897cb1a7340d6a58b9b36d","name":"Chemical Free","registered_at":"2026-06-21T17:22:23Z","symbol":"NIM1982004","token_address":"0xffc131afbe4e93c30c5e35c4e80d3b792181ce92","type":"artist","uuid":"fb3fd4f7-047f-4b4e-b381-d89841823541"}
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