Canis Major
type: MusicGroup
description: Canis Major is a constellation in the southern celestial hemisphere. In the second century, it was included in Ptolemy's 48 constellations, and is counted among the 88 modern constellations. Its name
popularity: 17
followers: 1038
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6462b8121f74f1c43feff6e7a61c4fbf4a08bfe37eed756d0bb2342eeba69cd0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf2b9a3f-78bf-4e19-bd36-8017abd5807a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf2b9a3f-78bf-4e19-bd36-8017abd5807a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bf2b9a3f-78bf-4e19-bd36-8017abd5807a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6462b8121f74f1c43feff6e7a61c4fbf4a08bfe37eed756d0bb2342eeba69cd0","name":"Canis Major","registered_at":"2026-06-15T00:36:06Z","symbol":"NIM0626610","token_address":"0xb512eee7a4dc7cc8f2c436f96ff588f84d13809f","type":"artist","uuid":"bf2b9a3f-78bf-4e19-bd36-8017abd5807a"}
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 0x6462b8121f74f1c43feff6e7a61c4fbf4a08bfe37eed756d0bb2342eeba69cd0. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf2b9a3f-78bf-4e19-bd36-8017abd5807a.json and https://artists.proofprofile.net/proofs/artist/bf2b9a3f-78bf-4e19-bd36-8017abd5807a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x6462b8121f74f1c43feff6e7a61c4fbf4a08bfe37eed756d0bb2342eeba69cd0","name":"Canis Major","registered_at":"2026-06-15T00:36:06Z","symbol":"NIM0626610","token_address":"0xb512eee7a4dc7cc8f2c436f96ff588f84d13809f","type":"artist","uuid":"bf2b9a3f-78bf-4e19-bd36-8017abd5807a"}
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  type: MusicAlbum
  date published: 2018-08-30
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  type: MusicAlbum
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