Chris Letcher
type: MusicGroup
genre: singer-songwriter
description: Chris Letcher is a South African singer-songwriter and film composer based in London and Johannesburg. He has played with Urban Creep. Two of his albums made South Africa's Mail & Guardian "20 Best C
popularity: 5
followers: 283
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x755ebc15748507934ab823998a12c53c180e224f3784820f000123b5644f7bae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954553
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954553
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/abdb3ed9-be63-4178-9196-87fa97d41ad4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/abdb3ed9-be63-4178-9196-87fa97d41ad4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/abdb3ed9-be63-4178-9196-87fa97d41ad4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T11:51:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x755ebc15748507934ab823998a12c53c180e224f3784820f000123b5644f7bae","name":"Chris Letcher","registered_at":"2026-06-20T09:55:42Z","symbol":"NIM1584929","token_address":"0x5bb02041f6319ad3d04a551c749bec3eca04a9da","type":"artist","uuid":"abdb3ed9-be63-4178-9196-87fa97d41ad4"}
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 0x755ebc15748507934ab823998a12c53c180e224f3784820f000123b5644f7bae. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/abdb3ed9-be63-4178-9196-87fa97d41ad4.json and https://artists.proofprofile.net/proofs/artist/abdb3ed9-be63-4178-9196-87fa97d41ad4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
  text: {"copyright_id":"0x755ebc15748507934ab823998a12c53c180e224f3784820f000123b5644f7bae","name":"Chris Letcher","registered_at":"2026-06-20T09:55:42Z","symbol":"NIM1584929","token_address":"0x5bb02041f6319ad3d04a551c749bec3eca04a9da","type":"artist","uuid":"abdb3ed9-be63-4178-9196-87fa97d41ad4"}
album: Frieze
  type: MusicAlbum
  date published: 2006
album: Frieze
  type: MusicAlbum
  date published: 2006-10-26
album: Frieze
  type: MusicAlbum
  date published: 2006-10-30
album: Deep Frieze
  type: MusicAlbum
  date published: 2007-03-19
album: Frieze
  type: MusicAlbum
  date published: 2007-09-24
album: Harmonium - EP
  type: MusicAlbum
  date published: 2008-05-21
album: Spectroscope
  type: MusicAlbum
  date published: 2011-07-25
album: Spectroscope
  type: MusicAlbum
  date published: 2011-07-29
album: Spectroscope
  type: MusicAlbum
  date published: 2011-07-29
album: Spectroscope
  type: MusicAlbum
  date published: 2011-10-10
album: Lopsided
  type: MusicAlbum
  date published: 2013-05-03
album: Harmonium
  type: MusicAlbum
  date published: 2013-05-03
album: Lopsided
  type: MusicAlbum
  date published: 2013-05-05
album: Hyperbalist
  type: MusicAlbum
  date published: 2013-10-25
album: Hyperbalist
  type: MusicAlbum
  date published: 2013-10-25