Exospheros
type: MusicGroup
genre: neoclassical
popularity: 2
followers: 435
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9473f57a201504b61c36efcae03f4b6b44e62f678de3bc04b533f596e9d9de40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8606519-3a8c-4e18-84ce-76bf2a929227.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f8606519-3a8c-4e18-84ce-76bf2a929227.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f8606519-3a8c-4e18-84ce-76bf2a929227
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
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 0x9473f57a201504b61c36efcae03f4b6b44e62f678de3bc04b533f596e9d9de40. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8606519-3a8c-4e18-84ce-76bf2a929227.json and https://artists.proofprofile.net/proofs/artist/f8606519-3a8c-4e18-84ce-76bf2a929227.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
album: Universe by Hand (Extended Version)
  type: MusicAlbum
  date published: 2023-06-26
album: Universe by Hand
  type: MusicAlbum
  date published: 2023-06-26
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  type: MusicAlbum
  date published: 2023-06-26
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2023-08-16
album: Nebulæ
  type: MusicAlbum
  date published: 2023-08-23
album: Moonlight Sonata (Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto)
  type: MusicAlbum
  date published: 2023-08-28
album: Gymnopédie No. 1
  type: MusicAlbum
  date published: 2023-09-07
album: Pavane, Op. 50
  type: MusicAlbum
  date published: 2023-09-14
album: For Peace, For Love
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  type: MusicAlbum
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  type: MusicAlbum
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album: Duo des Fleurs (Flower Duet)
  type: MusicAlbum
  date published: 2023-10-17
album: Out of Body
  type: MusicAlbum
  date published: 2023-10-26
album: Into the Featureless Sky
  type: MusicAlbum
  date published: 2023-11-03
album: Cantata, BWV 147: Jesu, Joy of Man's Desiring
  type: MusicAlbum
  date published: 2023-12-04
album: Bagatelle No. 25 in A minor, WoO 59 "Für Elise”
  type: MusicAlbum
  date published: 2023-12-14
album: Carol of the Bells
  type: MusicAlbum
  date published: 2023-12-18
album: Serenade for Strings in E major, Op. 22, B. 52: II. Tempo di valse
  type: MusicAlbum
  date published: 2024-02-06
album: String Quintet in E major, Op. 11, No. 5 (Minuet)
  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-04-08
album: Cello Suite No.1 in G Major, BWV 1007: I. Prélude
  type: MusicAlbum
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album: Bach to my Roots: An Origin Story
  type: MusicAlbum
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album: Organic Compositions
  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-09-25
album: Symphony No. 40 in G Minor, K. 550
  type: MusicAlbum
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album: Peer Gynt Suite No. 1, Op. 46
  type: MusicAlbum
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album: Concerto in F minor, Op. 8, No. 4, RV 297 "L'inverno" (winter): I. Allegro non molto
  type: MusicAlbum
  date published: 2025-02-13
album: The Rite of Spring
  type: MusicAlbum
  date published: 2025-03-17