Margret Heater
type: MusicGroup
genre: nu metal
genre: rap metal
description: Margret Heater was an American nu metal band from Baltimore, Maryland, active from 1997 to 2003. History Margret Heater formed in 1997 Fayetteville, North Carolina and later relocated to Baltimore, M
popularity: 2
followers: 238
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe9a39fafdd5e16716908ab3387bc4e879b87cd9b8cadb6136ec64066a0a770d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954031
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954031
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3a7762a9-8412-4ee7-8803-819bfffddc6d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3a7762a9-8412-4ee7-8803-819bfffddc6d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3a7762a9-8412-4ee7-8803-819bfffddc6d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T01:43:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbe9a39fafdd5e16716908ab3387bc4e879b87cd9b8cadb6136ec64066a0a770d","name":"Margret Heater","registered_at":"2026-06-16T09:55:39Z","symbol":"NIM1015622","token_address":"0x9e8fc92746db7fcec3953c0e9c99059c19220319","type":"artist","uuid":"3a7762a9-8412-4ee7-8803-819bfffddc6d"}
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 0xbe9a39fafdd5e16716908ab3387bc4e879b87cd9b8cadb6136ec64066a0a770d. Chain 2 (Bitcoin): anchored in block 954032 (2026-06-17T01:59:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a7762a9-8412-4ee7-8803-819bfffddc6d.json and https://artists.proofprofile.net/proofs/artist/3a7762a9-8412-4ee7-8803-819bfffddc6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T01:59:41Z
  text: {"copyright_id":"0xbe9a39fafdd5e16716908ab3387bc4e879b87cd9b8cadb6136ec64066a0a770d","name":"Margret Heater","registered_at":"2026-06-16T09:55:39Z","symbol":"NIM1015622","token_address":"0x9e8fc92746db7fcec3953c0e9c99059c19220319","type":"artist","uuid":"3a7762a9-8412-4ee7-8803-819bfffddc6d"}
album: The Frankenrecord
  type: MusicAlbum
  date published: 2002-06-04
album: The Frankenrecord
  type: MusicAlbum
  date published: 2021-01-25
album: Manifest Destiny
  type: MusicAlbum
  date published: 2021-02-25