David Schwartz
type: MusicGroup
genre: melodic techno
description: David Schwartz is an American composer, known for his scoring of the music for several television series. He composed most of the songs for Arrested Development, and he returned as the series composer
popularity: 5
followers: 32
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef58a14c8a18251152a9ba5953d8052f4972c762c4274d4001901ce2305d7ddc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f22868be-5b0b-4630-9ff5-21d40df829a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f22868be-5b0b-4630-9ff5-21d40df829a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f22868be-5b0b-4630-9ff5-21d40df829a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xef58a14c8a18251152a9ba5953d8052f4972c762c4274d4001901ce2305d7ddc","name":"David Schwartz","registered_at":"2026-06-21T13:30:41Z","symbol":"NIM1936583","token_address":"0xd674749d307a010c30651cf92bfc0ef30432c3d2","type":"artist","uuid":"f22868be-5b0b-4630-9ff5-21d40df829a3"}
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 0xef58a14c8a18251152a9ba5953d8052f4972c762c4274d4001901ce2305d7ddc. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f22868be-5b0b-4630-9ff5-21d40df829a3.json and https://artists.proofprofile.net/proofs/artist/f22868be-5b0b-4630-9ff5-21d40df829a3.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0xef58a14c8a18251152a9ba5953d8052f4972c762c4274d4001901ce2305d7ddc","name":"David Schwartz","registered_at":"2026-06-21T13:30:41Z","symbol":"NIM1936583","token_address":"0xd674749d307a010c30651cf92bfc0ef30432c3d2","type":"artist","uuid":"f22868be-5b0b-4630-9ff5-21d40df829a3"}