Polysomni
type: MusicGroup
popularity: 2
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x058afba32fb22c6f003e6d8898d5523d42b9b11434b258795dbbca4dd02bcc6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f6ee1f82-027c-41ce-baf5-60a0d480d76a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f6ee1f82-027c-41ce-baf5-60a0d480d76a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f6ee1f82-027c-41ce-baf5-60a0d480d76a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
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 0x058afba32fb22c6f003e6d8898d5523d42b9b11434b258795dbbca4dd02bcc6c. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6ee1f82-027c-41ce-baf5-60a0d480d76a.json and https://artists.proofprofile.net/proofs/artist/f6ee1f82-027c-41ce-baf5-60a0d480d76a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
album: Safe Haven: Cats' Peaceful Chill Music
  type: MusicAlbum
  date published: 2023-09-20
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  type: MusicAlbum
  date published: 2023-11-29
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  type: MusicAlbum
  date published: 2023-11-30
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  type: MusicAlbum
  date published: 2024-01-04
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  type: MusicAlbum
  date published: 2024-01-10
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2024-03-04
album: Pets' Streamside Calm: Relaxing Nature Sounds
  type: MusicAlbum
  date published: 2024-03-14
album: Thunder's Study Ambiance: Powerful Focus Tunes
  type: MusicAlbum
  date published: 2024-03-14
album: Ocean's Study Ambience: Peaceful Focus Tunes
  type: MusicAlbum
  date published: 2024-03-20