Chris Mars
type: MusicGroup
description: Chris Mars (born April 26, 1961) is an American painter and musician. He was the drummer for the seminal Minneapolis-based alternative rock band the Replacements from 1979 to 1990; he later joined the
popularity: 38
followers: 127
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc5e0451ea26325848162b302cf0d23fac89dfebcd0b88bdbb4a0c8e99b6a663
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8603c1a0-af48-48d8-8b93-37941a47d4d8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8603c1a0-af48-48d8-8b93-37941a47d4d8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8603c1a0-af48-48d8-8b93-37941a47d4d8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc5e0451ea26325848162b302cf0d23fac89dfebcd0b88bdbb4a0c8e99b6a663","name":"Chris Mars","registered_at":"2026-06-12T03:32:52Z","symbol":"NIM0174110","token_address":"0xc8473ab05eb95e22dcf250318c3cbb497b95d670","type":"artist","uuid":"8603c1a0-af48-48d8-8b93-37941a47d4d8"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc5e0451ea26325848162b302cf0d23fac89dfebcd0b88bdbb4a0c8e99b6a663. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8603c1a0-af48-48d8-8b93-37941a47d4d8.json and https://artists.proofprofile.net/proofs/artist/8603c1a0-af48-48d8-8b93-37941a47d4d8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xdc5e0451ea26325848162b302cf0d23fac89dfebcd0b88bdbb4a0c8e99b6a663","name":"Chris Mars","registered_at":"2026-06-12T03:32:52Z","symbol":"NIM0174110","token_address":"0xc8473ab05eb95e22dcf250318c3cbb497b95d670","type":"artist","uuid":"8603c1a0-af48-48d8-8b93-37941a47d4d8"}
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  type: MusicAlbum
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