Frederic Hand
type: MusicGroup
genre: dark cabaret
description: Frederic Hand (born 1947) is a classical guitarist and composer. Career A native of Brooklyn, New York, Hand was attracted to the music of Bill Evans, John Coltrane, and Miles Davis in his teens. Mos
popularity: 10
followers: 482
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f9916fa1570a0cc7efd52678bc18546f36de684585687189029747f73af2700
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6b620ca1-83d0-4e23-aa27-405e285ceb6d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6b620ca1-83d0-4e23-aa27-405e285ceb6d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6b620ca1-83d0-4e23-aa27-405e285ceb6d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1f9916fa1570a0cc7efd52678bc18546f36de684585687189029747f73af2700","name":"Frederic Hand","registered_at":"2026-06-17T02:57:20Z","symbol":"NIM1259373","token_address":"0x83bb57bf7f640c33987063b18725332f1cb6faf1","type":"artist","uuid":"6b620ca1-83d0-4e23-aa27-405e285ceb6d"}
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 0x1f9916fa1570a0cc7efd52678bc18546f36de684585687189029747f73af2700. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b620ca1-83d0-4e23-aa27-405e285ceb6d.json and https://artists.proofprofile.net/proofs/artist/6b620ca1-83d0-4e23-aa27-405e285ceb6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x1f9916fa1570a0cc7efd52678bc18546f36de684585687189029747f73af2700","name":"Frederic Hand","registered_at":"2026-06-17T02:57:20Z","symbol":"NIM1259373","token_address":"0x83bb57bf7f640c33987063b18725332f1cb6faf1","type":"artist","uuid":"6b620ca1-83d0-4e23-aa27-405e285ceb6d"}
album: Trilogy: The Guitar Music of Frederic Hand
  type: MusicAlbum
  date published: 1984-05-11
album: Jazzantiqua
  type: MusicAlbum
  date published: 1986-01-01
album: Heart's Song
  type: MusicAlbum
  date published: 1989
album: Frederic Hand: Odyssey
  type: MusicAlbum
  date published: 2016-07-08
album: Frederic Hand: Odyssey
  type: MusicAlbum
  date published: 2016-07-08
album: Samatureya
  type: MusicAlbum
  date published: 2018-04-06
album: Samatureya
  type: MusicAlbum
  date published: 2018-04-06
album: Frederic Hand: Across Time
  type: MusicAlbum
  date published: 2022-04-22
album: Frederic Hand: Across Time
  type: MusicAlbum
  date published: 2022-04-22
album: Study No. 3
  type: MusicAlbum
  date published: 2024-04-05