Sánchez
type: MusicGroup
description: Sánchez is a Spanish family name. Historical origins "The illustrious Sanchez Family... is descended from one of a number of Gothic knights (caballeros) who in the year 714 escaped from the ‘barbara
popularity: 4
followers: 137
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8bcac85408ac23c447be9bb3cc0d6f807fe2f5f63ea988e37f6129abf5035ed5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1228327d-94e3-4e21-a5e4-e1c37ee52669.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1228327d-94e3-4e21-a5e4-e1c37ee52669.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1228327d-94e3-4e21-a5e4-e1c37ee52669
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8bcac85408ac23c447be9bb3cc0d6f807fe2f5f63ea988e37f6129abf5035ed5","name":"Sánchez","registered_at":"2026-06-15T20:06:25Z","symbol":"NIM0817643","token_address":"0xe8e43eab05317dfcfea55d964b249cd53827f0d4","type":"artist","uuid":"1228327d-94e3-4e21-a5e4-e1c37ee52669"}
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 0x8bcac85408ac23c447be9bb3cc0d6f807fe2f5f63ea988e37f6129abf5035ed5. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1228327d-94e3-4e21-a5e4-e1c37ee52669.json and https://artists.proofprofile.net/proofs/artist/1228327d-94e3-4e21-a5e4-e1c37ee52669.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x8bcac85408ac23c447be9bb3cc0d6f807fe2f5f63ea988e37f6129abf5035ed5","name":"Sánchez","registered_at":"2026-06-15T20:06:25Z","symbol":"NIM0817643","token_address":"0xe8e43eab05317dfcfea55d964b249cd53827f0d4","type":"artist","uuid":"1228327d-94e3-4e21-a5e4-e1c37ee52669"}
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