Big Mama
type: MusicGroup
genre: blues
description: Big mama () is a Chinese language neologism for an Internet censor on web bulletin board systems in the People's Republic of China. Big mamas are human censors and moderators on different online plat
popularity: 5
followers: 157
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9b0e14c6b5ab53e605b2bdcd199f5934b229c25f7e1be2131480e9ae27563a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe9b0e14c6b5ab53e605b2bdcd199f5934b229c25f7e1be2131480e9ae27563a1","name":"Big Mama","registered_at":"2026-06-20T10:44:01Z","symbol":"NIM1594810","token_address":"0xb9de88617154e83fc474a4926b160ba5e3ea1af2","type":"artist","uuid":"ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9"}
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 0xe9b0e14c6b5ab53e605b2bdcd199f5934b229c25f7e1be2131480e9ae27563a1. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9.json and https://artists.proofprofile.net/proofs/artist/ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0xe9b0e14c6b5ab53e605b2bdcd199f5934b229c25f7e1be2131480e9ae27563a1","name":"Big Mama","registered_at":"2026-06-20T10:44:01Z","symbol":"NIM1594810","token_address":"0xb9de88617154e83fc474a4926b160ba5e3ea1af2","type":"artist","uuid":"ae17b1ce-4fd7-4ac7-8000-2a9fb62967f9"}
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