Sandra Sandia
type: MusicGroup
genre: children's music
popularity: 2
followers: 74
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9cf262e16031f1111f4c317d9daa7aa8de7af8f6bf77dc4f4f2fe6645d55aaa3
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/3b4dfa8b-386a-4c35-b6cb-f11492e578a9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3b4dfa8b-386a-4c35-b6cb-f11492e578a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3b4dfa8b-386a-4c35-b6cb-f11492e578a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T01:43:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9cf262e16031f1111f4c317d9daa7aa8de7af8f6bf77dc4f4f2fe6645d55aaa3","name":"Sandra Sandia","registered_at":"2026-06-16T10:15:08Z","symbol":"NIM1020268","token_address":"0x97ac033f4926d95ef903896dbb6824d098621ecd","type":"artist","uuid":"3b4dfa8b-386a-4c35-b6cb-f11492e578a9"}
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 0x9cf262e16031f1111f4c317d9daa7aa8de7af8f6bf77dc4f4f2fe6645d55aaa3. Chain 2 (Bitcoin): anchored in block 954031 (2026-06-17T01:43:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3b4dfa8b-386a-4c35-b6cb-f11492e578a9.json and https://artists.proofprofile.net/proofs/artist/3b4dfa8b-386a-4c35-b6cb-f11492e578a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T01:43:23Z
  text: {"copyright_id":"0x9cf262e16031f1111f4c317d9daa7aa8de7af8f6bf77dc4f4f2fe6645d55aaa3","name":"Sandra Sandia","registered_at":"2026-06-16T10:15:08Z","symbol":"NIM1020268","token_address":"0x97ac033f4926d95ef903896dbb6824d098621ecd","type":"artist","uuid":"3b4dfa8b-386a-4c35-b6cb-f11492e578a9"}
album: Sandra Sandia
  type: MusicAlbum
  date published: 2008-01-01
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2019-04-03
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  date published: 2019-04-05
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  date published: 2019-04-24
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  date published: 2020-02-14
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-09-23