Jay Larson
type: MusicGroup
genre: comedy
description: thumb|Larson performing at SXSW on March 11, 2013 Jason "Jay" Larson is an American comedian, actor, and writer. He currently resides in Los Angeles. Early life Larson grew up in Stoneham, Massachu
popularity: 10
followers: 2449
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5ada8551896e61cc66c66e14dd1a86b60051b4f8a1c02b902c67d9bf5c3c8621
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47a67977-a033-43c5-ae01-197dc7658e3b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47a67977-a033-43c5-ae01-197dc7658e3b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/47a67977-a033-43c5-ae01-197dc7658e3b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:49:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5ada8551896e61cc66c66e14dd1a86b60051b4f8a1c02b902c67d9bf5c3c8621","name":"Jay Larson","registered_at":"2026-06-16T14:31:48Z","symbol":"NIM1081488","token_address":"0xa78fba9d0502022083828f8119b2be61f36ef8e4","type":"artist","uuid":"47a67977-a033-43c5-ae01-197dc7658e3b"}
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 0x5ada8551896e61cc66c66e14dd1a86b60051b4f8a1c02b902c67d9bf5c3c8621. Chain 2 (Bitcoin): anchored in block 954063 (2026-06-17T07:49:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47a67977-a033-43c5-ae01-197dc7658e3b.json and https://artists.proofprofile.net/proofs/artist/47a67977-a033-43c5-ae01-197dc7658e3b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T07:49:29Z
  text: {"copyright_id":"0x5ada8551896e61cc66c66e14dd1a86b60051b4f8a1c02b902c67d9bf5c3c8621","name":"Jay Larson","registered_at":"2026-06-16T14:31:48Z","symbol":"NIM1081488","token_address":"0xa78fba9d0502022083828f8119b2be61f36ef8e4","type":"artist","uuid":"47a67977-a033-43c5-ae01-197dc7658e3b"}
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2011-11-01
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  type: MusicAlbum
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  date published: 2024-05-24