Jo Firestone
type: MusicGroup
genre: comedy
description: Jo Firestone (born ) is an American actress, comedian, and television writer. She played Sarah Conner on the television series Joe Pera Talks with You and Euthanasia "Annie" Fantasy in Teenage Euthana
popularity: 6
followers: 341
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954500
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  value: https://artists.proofprofile.net/proofs/artist/9b2c8bec-794d-4629-b862-58aa155964d3.ots
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9735475fb511501eac37104674b31794b3f6e9c9f2ae4cb86199293b10eaadbf. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9b2c8bec-794d-4629-b862-58aa155964d3.json and https://artists.proofprofile.net/proofs/artist/9b2c8bec-794d-4629-b862-58aa155964d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
  text: {"copyright_id":"0x9735475fb511501eac37104674b31794b3f6e9c9f2ae4cb86199293b10eaadbf","name":"Jo Firestone","registered_at":"2026-06-20T03:39:16Z","symbol":"NIM1500759","token_address":"0x7aaac3712b9e48ff9e625c604013f9d245d4c615","type":"artist","uuid":"9b2c8bec-794d-4629-b862-58aa155964d3"}
album: The Hits
  type: MusicAlbum
  date published: 2018-08-10
album: The Hits
  type: MusicAlbum
  date published: 2018-08-10
  track: An Hour on Raisins
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    duration: PT2M42S
    duration ms: 162110
    explicit: false
    by artist: Jo Firestone
    in album: The Hits
      type: MusicAlbum
      date published: 2018-08-10
    genre: comedy
    isrc code: US85P1830005
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T00:24:07Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x62cea18dacebae749d8f4617dfa2a18fc777d73641512971e974169d440b2515. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US85P1830005.
      date published: 2026-07-21T00:24:07Z
    audio: An Hour on Raisins
      type: AudioObject
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      additional property: Mode (Major/Minor)
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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