Andrea Holá
type: MusicGroup
popularity: 2
followers: 59
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29dca29c56c0355bd56b5608448719b147a77320d2d14313833e4714ea587397
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dfe80f4d-7e12-4360-9ad7-9546dbe35885.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dfe80f4d-7e12-4360-9ad7-9546dbe35885.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dfe80f4d-7e12-4360-9ad7-9546dbe35885
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x29dca29c56c0355bd56b5608448719b147a77320d2d14313833e4714ea587397","name":"Andrea Holá","registered_at":"2026-06-21T06:17:41Z","symbol":"NIM1845986","token_address":"0x855214f2d106e4dc58bcf061f0c4cdccedd9ad7d","type":"artist","uuid":"dfe80f4d-7e12-4360-9ad7-9546dbe35885"}
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 0x29dca29c56c0355bd56b5608448719b147a77320d2d14313833e4714ea587397. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dfe80f4d-7e12-4360-9ad7-9546dbe35885.json and https://artists.proofprofile.net/proofs/artist/dfe80f4d-7e12-4360-9ad7-9546dbe35885.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x29dca29c56c0355bd56b5608448719b147a77320d2d14313833e4714ea587397","name":"Andrea Holá","registered_at":"2026-06-21T06:17:41Z","symbol":"NIM1845986","token_address":"0x855214f2d106e4dc58bcf061f0c4cdccedd9ad7d","type":"artist","uuid":"dfe80f4d-7e12-4360-9ad7-9546dbe35885"}
album: Give Me a Hint
  type: MusicAlbum
  date published: 2019-01-09
album: This is me
  type: MusicAlbum
  date published: 2020-12-31