Tau Sagittarii
type: MusicGroup
description: Tau Sagittarii (Tau Sgr, τ Sagittarii, τ Sgr) is a star in the southern zodiac constellation of Sagittarius. Description With an apparent visual magnitude of +3.3, this is one of the brighter members
popularity: 8
followers: 200
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf09ba2a6de9c8e83a611e57fd9983d6634c3875521f2a359ada76bd25abd8468
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9528ba63-356e-4d4b-831d-57ace5572be6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9528ba63-356e-4d4b-831d-57ace5572be6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9528ba63-356e-4d4b-831d-57ace5572be6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf09ba2a6de9c8e83a611e57fd9983d6634c3875521f2a359ada76bd25abd8468","name":"Tau Sagittarii","registered_at":"2026-06-17T18:02:38Z","symbol":"NIM1475282","token_address":"0x2bcb24026893b9e69f72879a0b1d2ae683be9f15","type":"artist","uuid":"9528ba63-356e-4d4b-831d-57ace5572be6"}
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 0xf09ba2a6de9c8e83a611e57fd9983d6634c3875521f2a359ada76bd25abd8468. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9528ba63-356e-4d4b-831d-57ace5572be6.json and https://artists.proofprofile.net/proofs/artist/9528ba63-356e-4d4b-831d-57ace5572be6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0xf09ba2a6de9c8e83a611e57fd9983d6634c3875521f2a359ada76bd25abd8468","name":"Tau Sagittarii","registered_at":"2026-06-17T18:02:38Z","symbol":"NIM1475282","token_address":"0x2bcb24026893b9e69f72879a0b1d2ae683be9f15","type":"artist","uuid":"9528ba63-356e-4d4b-831d-57ace5572be6"}
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