Dave Koz
type: MusicGroup
description: David Stephen Koz (born March 27, 1963) is an American saxophonist, composer, record producer, and radio personality based in Los Angeles, California. Early life Dave Koz was born in Los Angeles, Cal
popularity: 19
followers: 34
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  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
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  date published: 2026-06-15T22:22:30Z
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track: Restoration
track: Watercolors

Restoration
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explicit: false
by artist: Cory Wong
by artist: Dave Koz
in album: Elevator Music for an Elevated Mood
  type: MusicAlbum
  date published: 2020-01-10
genre: instrumental-funk
isrc code: QZK6P1959845
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10e0d6baea98d829ee416b243574c97c68085775ad971697dd91e445d451701. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZK6P1959845.
  date published: 2026-06-13T12:53:06Z
audio: Restoration
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Watercolors
type: MusicRecording
duration: PT4M39S
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explicit: false
by artist: Cory Wong
by artist: Dave Koz
in album: Elevator Music for an Elevated Mood
  type: MusicAlbum
  date published: 2020-01-10
genre: instrumental-funk
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Watercolors
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